Sedgwick P[au] AND BMJ[journal] - Search Results

Year	Number of Results
1988	1
1993	1
2003	1
2010	6
2012	1
2013	3
2014	34
2015	38
2025	0

1

Units of sampling, observation, and analysis.

Sedgwick P. Sedgwick P. BMJ. 2015 Oct 9;351:h5396. doi: 10.1136/bmj.h5396. BMJ. 2015. PMID: 26453018 Review. No abstract available.

2

Randomised controlled trials: understanding confounding.

Sedgwick P. Sedgwick P. BMJ. 2015 Sep 25;351:h5119. doi: 10.1136/bmj.h5119. BMJ. 2015. PMID: 26408098 No abstract available.

3

Understanding the ecological fallacy.

Sedgwick P. Sedgwick P. BMJ. 2015 Sep 21;351:h4773. doi: 10.1136/bmj.h4773. BMJ. 2015. PMID: 26391012 No abstract available.

4

How to read a funnel plot in a meta-analysis.

Sedgwick P, Marston L. Sedgwick P, et al. BMJ. 2015 Sep 16;351:h4718. doi: 10.1136/bmj.h4718. BMJ. 2015. PMID: 26377337 No abstract available.

5

Understanding the Hawthorne effect.

Sedgwick P, Greenwood N. Sedgwick P, et al. BMJ. 2015 Sep 4;351:h4672. doi: 10.1136/bmj.h4672. BMJ. 2015. PMID: 26341898 Free article. No abstract available.

6

Interpreting hazard ratios.

Sedgwick P, Joekes K. Sedgwick P, et al. BMJ. 2015 Aug 28;351:h4631. doi: 10.1136/bmj.h4631. BMJ. 2015. PMID: 26318794 No abstract available.

7

What is publication bias in a meta-analysis?

Sedgwick P. Sedgwick P. BMJ. 2015 Aug 14;351:h4419. doi: 10.1136/bmj.h4419. BMJ. 2015. PMID: 26276792 No abstract available.

8

Bias in randomised controlled trials: comparison of crossover group and parallel group designs.

Sedgwick P. Sedgwick P. BMJ. 2015 Aug 7;351:h4283. doi: 10.1136/bmj.h4283. BMJ. 2015. PMID: 26253465 No abstract available.

9

Multistage sampling.

Sedgwick P. Sedgwick P. BMJ. 2015 Jul 31;351:h4155. doi: 10.1136/bmj.h4155. BMJ. 2015. PMID: 26231184 No abstract available.

10

How to read a forest plot in a meta-analysis.

Sedgwick P. Sedgwick P. BMJ. 2015 Jul 24;351:h4028. doi: 10.1136/bmj.h4028. BMJ. 2015. PMID: 26208517 No abstract available.

11

Bias in experimental study designs: randomised controlled trials with parallel groups.

Sedgwick P. Sedgwick P. BMJ. 2015 Jul 17;351:h3869. doi: 10.1136/bmj.h3869. BMJ. 2015. PMID: 26187730 No abstract available.

12

Placebos and sham treatments.

Sedgwick P, Hooper C. Sedgwick P, et al. BMJ. 2015 Jul 10;351:h3755. doi: 10.1136/bmj.h3755. BMJ. 2015. PMID: 26162858 No abstract available.

13

A comparison of sampling error and standard error.

Sedgwick P. Sedgwick P. BMJ. 2015 Jul 3;351:h3577. doi: 10.1136/bmj.h3577. BMJ. 2015. PMID: 26141598 No abstract available.

14

What is significance?

Sedgwick P. Sedgwick P. BMJ. 2015 Jun 26;350:h3475. doi: 10.1136/bmj.h3475. BMJ. 2015. PMID: 26116134 Clinical Trial. No abstract available.

15

Randomised controlled trials: understanding power.

Sedgwick P. Sedgwick P. BMJ. 2015 Jun 18;350:h3229. doi: 10.1136/bmj.h3229. BMJ. 2015. PMID: 26088536 No abstract available.

16

Uncertainty in sample estimates: standard error.

Sedgwick P. Sedgwick P. BMJ. 2015 Jun 9;350:h3078. doi: 10.1136/bmj.h3078. BMJ. 2015. PMID: 26058594 No abstract available.

17

What are the risks?

Sedgwick P, Joekes K. Sedgwick P, et al. BMJ. 2015 Jun 2;350:h2931. doi: 10.1136/bmj.h2931. BMJ. 2015. PMID: 26037334 No abstract available.

18

Measuring the detriment of treatment: number needed to harm.

Sedgwick P. Sedgwick P. BMJ. 2015 May 22;350:h2763. doi: 10.1136/bmj.h2763. BMJ. 2015. PMID: 26002193 Clinical Trial. No abstract available.

19

Controlled trials: allocation concealment, random allocation, and blinding.

Sedgwick P. Sedgwick P. BMJ. 2015 May 15;350:h2633. doi: 10.1136/bmj.h2633. BMJ. 2015. PMID: 25979365 No abstract available.

20

How to read a receiver operating characteristic curve.

Sedgwick P. Sedgwick P. BMJ. 2015 May 8;350:h2464. doi: 10.1136/bmj.h2464. BMJ. 2015. PMID: 25956305 No abstract available.

21

What are the odds?

Sedgwick P. Sedgwick P. BMJ. 2015 May 1;350:h2327. doi: 10.1136/bmj.h2327. BMJ. 2015. PMID: 25934660 No abstract available.

22

Measuring the benefit of treatment: number needed to treat.

Sedgwick P. Sedgwick P. BMJ. 2015 Apr 27;350:h2206. doi: 10.1136/bmj.h2206. BMJ. 2015. PMID: 25918350 Clinical Trial. No abstract available.

23

A comparison of parametric and non-parametric statistical tests.

Sedgwick P. Sedgwick P. BMJ. 2015 Apr 17;350:h2053. doi: 10.1136/bmj.h2053. BMJ. 2015. PMID: 25888112 Clinical Trial. No abstract available.

24

Uncertainty in sample estimates: sampling error.

Sedgwick P. Sedgwick P. BMJ. 2015 Apr 10;350:h1914. doi: 10.1136/bmj.h1914. BMJ. 2015. PMID: 25862678 No abstract available.

25

Evaluating the performance of a screening test for depression in primary care.

Sedgwick P, Joekes K. Sedgwick P, et al. BMJ. 2015 Apr 9;350:h1801. doi: 10.1136/bmj.h1801. BMJ. 2015. PMID: 25858900 No abstract available.

26

Randomised controlled trials: understanding effect sizes.

Sedgwick P. Sedgwick P. BMJ. 2015 Mar 27;350:h1690. doi: 10.1136/bmj.h1690. BMJ. 2015. PMID: 25820302 No abstract available.

27

Randomised controlled trials: the importance of sample size.

Sedgwick P. Sedgwick P. BMJ. 2015 Mar 23;350:h1586. doi: 10.1136/bmj.h1586. BMJ. 2015. PMID: 25801454 No abstract available.

28

Meta-analyses: what is heterogeneity?

Sedgwick P. Sedgwick P. BMJ. 2015 Mar 16;350:h1435. doi: 10.1136/bmj.h1435. BMJ. 2015. PMID: 25778910 No abstract available.

29

Bias in observational study designs: cross sectional studies.

Sedgwick P. Sedgwick P. BMJ. 2015 Mar 6;350:h1286. doi: 10.1136/bmj.h1286. BMJ. 2015. PMID: 25747413 No abstract available.

30

Confidence intervals, P values, and statistical significance.

Sedgwick P. Sedgwick P. BMJ. 2015 Feb 27;350:h1113. doi: 10.1136/bmj.h1113. BMJ. 2015. PMID: 25724837 No abstract available.

31

Treatment allocation in trials: stratified randomisation.

Sedgwick P. Sedgwick P. BMJ. 2015 Feb 26;350:h978. doi: 10.1136/bmj.h978. BMJ. 2015. PMID: 25722098 No abstract available.

32

Standard deviation or the standard error of the mean.

Sedgwick P. Sedgwick P. BMJ. 2015 Feb 17;350:h831. doi: 10.1136/bmj.h831. BMJ. 2015. PMID: 25691433 Clinical Trial. No abstract available.

33

Intention to treat analysis versus per protocol analysis of trial data.

Sedgwick P. Sedgwick P. BMJ. 2015 Feb 6;350:h681. doi: 10.1136/bmj.h681. BMJ. 2015. PMID: 25663096 Review. No abstract available.

34

Bias in observational study designs: case-control studies.

Sedgwick P. Sedgwick P. BMJ. 2015 Jan 30;350:h560. doi: 10.1136/bmj.h560. BMJ. 2015. PMID: 25636996 No abstract available.

35

Quantifying treatment effects in randomised controlled trials.

Sedgwick P. Sedgwick P. BMJ. 2015 Jan 23;350:h420. doi: 10.1136/bmj.h420. BMJ. 2015. PMID: 25616422 No abstract available.

36

Treatment effects and placebo effects.

Sedgwick P. Sedgwick P. BMJ. 2015 Jan 16;350:h267. doi: 10.1136/bmj.h267. BMJ. 2015. PMID: 25596585 No abstract available.

37

Clinical trials: outcome measures.

Sedgwick P. Sedgwick P. BMJ. 2015 Jan 12;350:h121. doi: 10.1136/bmj.h121. BMJ. 2015. PMID: 25583733 No abstract available.

38

Meta-analysis: testing for reporting bias.

Sedgwick P. Sedgwick P. BMJ. 2015 Jan 2;350:g7857. doi: 10.1136/bmj.g7857. BMJ. 2015. PMID: 25555827 Review. No abstract available.

39

Bias in observational study designs: prospective cohort studies.

Sedgwick P. Sedgwick P. BMJ. 2014 Dec 19;349:g7731. doi: 10.1136/bmj.g7731. BMJ. 2014. PMID: 25527114 No abstract available.

40

Randomised controlled trials: subgroup analyses.

Sedgwick P. Sedgwick P. BMJ. 2014 Dec 5;349:g7513. doi: 10.1136/bmj.g7513. BMJ. 2014. PMID: 25500585 No abstract available.

41

Spearman's rank correlation coefficient.

Sedgwick P. Sedgwick P. BMJ. 2014 Nov 28;349:g7327. doi: 10.1136/bmj.g7327. BMJ. 2014. PMID: 25432873 No abstract available.

42

One way analysis of variance: post hoc testing: smoking in pregnancy.

Sedgwick P. Sedgwick P. BMJ. 2014 Nov 21;349:g7067. doi: 10.1136/bmj.g7067. BMJ. 2014. PMID: 25416414 No abstract available.

43

Randomised controlled trials: tests of interaction.

Sedgwick P. Sedgwick P. BMJ. 2014 Nov 14;349:g6820. doi: 10.1136/bmj.g6820. BMJ. 2014. PMID: 25398492 Clinical Trial. No abstract available.

44

Explanatory trials versus pragmatic trials.

Sedgwick P. Sedgwick P. BMJ. 2014 Nov 13;349:g6694. doi: 10.1136/bmj.g6694. BMJ. 2014. PMID: 25395503 No abstract available.

45

Sample size: how many participants are needed in a cohort study?

Sedgwick P. Sedgwick P. BMJ. 2014 Oct 31;349:g6557. doi: 10.1136/bmj.g6557. BMJ. 2014. PMID: 25361576 No abstract available.

46

Multiple hypothesis testing and Bonferroni's correction.

Sedgwick P. Sedgwick P. BMJ. 2014 Oct 20;349:g6284. doi: 10.1136/bmj.g6284. BMJ. 2014. PMID: 25331533 No abstract available.

47

Poisson regression.

Sedgwick P. Sedgwick P. BMJ. 2014 Oct 10;349:g6150. doi: 10.1136/bmj.g6150. BMJ. 2014. PMID: 25304320 No abstract available.

48

Understanding confidence intervals.

Sedgwick P. Sedgwick P. BMJ. 2014 Oct 7;349:g6051. doi: 10.1136/bmj.g6051. BMJ. 2014. PMID: 25293946 No abstract available.

49

Standardising outcome measures using z scores.

Sedgwick P. Sedgwick P. BMJ. 2014 Oct 1;349:g5878. doi: 10.1136/bmj.g5878. BMJ. 2014. PMID: 25273560 No abstract available.

50

Randomised controlled trials: balance in baseline characteristics.

Sedgwick P. Sedgwick P. BMJ. 2014 Sep 19;349:g5721. doi: 10.1136/bmj.g5721. BMJ. 2014. PMID: 25238747 No abstract available.

51

How to read a Kaplan-Meier survival plot.

Sedgwick P. Sedgwick P. BMJ. 2014 Sep 12;349:g5608. doi: 10.1136/bmj.g5608. BMJ. 2014. PMID: 25216915 No abstract available.

52

What is a factorial study design?

Sedgwick P. Sedgwick P. BMJ. 2014 Sep 5;349:g5455. doi: 10.1136/bmj.g5455. BMJ. 2014. PMID: 25193939 No abstract available.

53

Pitfalls of statistical hypothesis testing: multiple testing.

Sedgwick P. Sedgwick P. BMJ. 2014 Aug 29;349:g5310. doi: 10.1136/bmj.g5310. BMJ. 2014. PMID: 25172184 No abstract available.

54

Randomised controlled trials: inferring significance of treatment effects based on confidence intervals.

Sedgwick P. Sedgwick P. BMJ. 2014 Aug 18;349:g5196. doi: 10.1136/bmj.g5196. BMJ. 2014. PMID: 25134844 No abstract available.

55

What is a crossover trial?

Sedgwick P. Sedgwick P. BMJ. 2014 May 9;348:g3191. doi: 10.1136/bmj.g3191. BMJ. 2014. PMID: 25134118 No abstract available.

56

Ecological studies: advantages and disadvantages.

Sedgwick P. Sedgwick P. BMJ. 2014 May 2;348:g2979. doi: 10.1136/bmj.g2979. BMJ. 2014. PMID: 25134102 No abstract available.

57

Before and after study designs.

Sedgwick P. Sedgwick P. BMJ. 2014 Aug 8;349:g5074. doi: 10.1136/bmj.g5074. BMJ. 2014. PMID: 25106742 No abstract available.

58

Understanding why "absence of evidence is not evidence of absence".

Sedgwick P. Sedgwick P. BMJ. 2014 Aug 1;349:g4751. doi: 10.1136/bmj.g4751. BMJ. 2014. PMID: 25085689 No abstract available.

59

What are randomised consent designs?

Sedgwick P, Hooper C. Sedgwick P, et al. BMJ. 2014 Jul 25;349:g4727. doi: 10.1136/bmj.g4727. BMJ. 2014. PMID: 25063074 No abstract available.

60

Randomised controlled trials: missing data.

Marston L, Sedgwick P. Marston L, et al. Among authors: sedgwick p. BMJ. 2014 Jul 18;349:g4656. doi: 10.1136/bmj.g4656. BMJ. 2014. PMID: 25038075 No abstract available.

61

Understanding P values.

Sedgwick P. Sedgwick P. BMJ. 2014 Jul 11;349:g4550. doi: 10.1136/bmj.g4550. BMJ. 2014. PMID: 25015369 No abstract available.

62

Measuring the performance of screening tests.

Sedgwick P. Sedgwick P. BMJ. 2014 Jul 7;348:g4438. doi: 10.1136/bmj.g4438. BMJ. 2014. PMID: 25001573 No abstract available.

63

Pitfalls of statistical hypothesis testing: type I and type II errors.

Sedgwick P. Sedgwick P. BMJ. 2014 Jul 3;349:g4287. doi: 10.1136/bmj.g4287. BMJ. 2014. PMID: 24994622 Clinical Trial. No abstract available.

64

What is a non-randomised controlled trial?

Sedgwick P. Sedgwick P. BMJ. 2014 Jun 20;348:g4115. doi: 10.1136/bmj.g4115. BMJ. 2014. PMID: 24951505 Clinical Trial. No abstract available.

65

Unit of observation versus unit of analysis.

Sedgwick P. Sedgwick P. BMJ. 2014 Jun 13;348:g3840. doi: 10.1136/bmj.g3840. BMJ. 2014. PMID: 24927764 No abstract available.

66

What are the four phases of clinical research trials?

Sedgwick P. Sedgwick P. BMJ. 2014 Jun 6;348:g3727. doi: 10.1136/bmj.g3727. BMJ. 2014. PMID: 24906716 Clinical Trial. No abstract available.

67

Understanding statistical hypothesis testing.

Sedgwick P. Sedgwick P. BMJ. 2014 May 30;348:g3557. doi: 10.1136/bmj.g3557. BMJ. 2014. PMID: 24879817 No abstract available.

68

What is an open label trial?

Sedgwick P. Sedgwick P. BMJ. 2014 May 23;348:g3434. doi: 10.1136/bmj.g3434. BMJ. 2014. PMID: 24859904 No abstract available.

69

Clinical trials: units of randomisation.

Sedgwick P. Sedgwick P. BMJ. 2014 May 16;348:g3297. doi: 10.1136/bmj.g3297. BMJ. 2014. PMID: 24838104 No abstract available.

70

Placebo controlled trials.

Sedgwick P, Hoope C. Sedgwick P, et al. BMJ. 2014 Feb 21;348:g1635. doi: 10.1136/bmj.g1635. BMJ. 2014. PMID: 24563452 No abstract available.

71

Case-control studies: advantages and disadvantages.

Sedgwick P. Sedgwick P. BMJ. 2014 Jan 3;348:f7707. doi: 10.1136/bmj.f7707. BMJ. 2014. PMID: 31419845 No abstract available.

72

Randomised controlled trials: "within subject" versus "between subject" designs.

Sedgwick P. Sedgwick P. BMJ. 2014 Oct 24;349:g6435. doi: 10.1136/bmj.g6435. BMJ. 2014. PMID: 25954990 No abstract available.

73

Limits of agreement (Bland-Altman method).

Sedgwick P. Sedgwick P. BMJ. 2013 Mar 15;346:f1630. doi: 10.1136/bmj.f1630. BMJ. 2013. PMID: 23502707 No abstract available.

74

Case-control studies: measures of risk.

Sedgwick P. Sedgwick P. BMJ. 2013 Feb 22;346:f1185. doi: 10.1136/bmj.f1185. BMJ. 2013. PMID: 23435603 No abstract available.

75

Sample size: how many participants are needed in a trial?

Sedgwick P. Sedgwick P. BMJ. 2013 Feb 15;346:f1041. doi: 10.1136/bmj.f1041. BMJ. 2013. PMID: 23418280 No abstract available.

76

Incidence rates.

Sedgwick P. Sedgwick P. BMJ. 2012 Mar 7;344:e1589. doi: 10.1136/bmj.e1589. BMJ. 2012. PMID: 22399704 No abstract available.

77

Prevalence and incidence.

Sedgwick P. Sedgwick P. BMJ. 2010 Aug 31;341:c4709. doi: 10.1136/bmj.c4709. BMJ. 2010. PMID: 20810482 No abstract available.

78

Sample size calculations II.

Sedgwick P. Sedgwick P. BMJ. 2010 Jun 23;340:c3299. doi: 10.1136/bmj.c3299. BMJ. 2010. PMID: 20573759 No abstract available.

79

Sample size calculations I.

Sedgwick P. Sedgwick P. BMJ. 2010 Jun 16;340:c3104. doi: 10.1136/bmj.c3104. BMJ. 2010. PMID: 20554656 No abstract available.

80

Nested case-control studies.

Sedgwick P. Sedgwick P. BMJ. 2010 May 19;340:c2582. doi: 10.1136/bmj.c2582. BMJ. 2010. PMID: 20484347 No abstract available.

81

Per protocol analysis.

Sedgwick P. Sedgwick P. BMJ. 2010 Apr 7;340:c1825. doi: 10.1136/bmj.c1825. BMJ. 2010. PMID: 20375086 No abstract available.

82

Variables and parameters.

Sedgwick P. Sedgwick P. BMJ. 2010 Mar 24;340:c1568. doi: 10.1136/bmj.c1568. BMJ. 2010. PMID: 20335642 No abstract available.

83

Teaching medical students and doctors how to communicate risk.

Sedgwick P, Hall A. Sedgwick P, et al. BMJ. 2003 Sep 27;327(7417):694-5. doi: 10.1136/bmj.327.7417.694. BMJ. 2003. PMID: 14512451 Free PMC article. No abstract available.

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