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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1997 1
2004 1
2005 1
2006 1
2008 4
2009 7
2010 7
2011 10
2012 14
2013 18
2014 15
2015 19
2016 14
2017 20
2018 14
2019 17
2020 14
2021 24
2022 30
2023 6
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208 results
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Page 1
A simple formula for the calculation of sample size in pilot studies.
Viechtbauer W, Smits L, Kotz D, Budé L, Spigt M, Serroyen J, Crutzen R. Viechtbauer W, et al. Among authors: crutzen r. J Clin Epidemiol. 2015 Nov;68(11):1375-9. doi: 10.1016/j.jclinepi.2015.04.014. Epub 2015 Jun 6. J Clin Epidemiol. 2015. PMID: 26146089
Intervention Characteristics Associated With a Reduction in Fear of Falling Among Community-Dwelling Older People: A Systematic Review and Meta-analysis of Randomized Controlled Trials.
Kruisbrink M, Delbaere K, Kempen GIJM, Crutzen R, Ambergen T, Cheung KL, Kendrick D, Iliffe S, Zijlstra GAR. Kruisbrink M, et al. Among authors: crutzen r. Gerontologist. 2021 Aug 13;61(6):e269-e282. doi: 10.1093/geront/gnaa021. Gerontologist. 2021. PMID: 32267498 Free PMC article. Review.
General Data Protection Regulation (GDPR) Toolkit for Digital Health.
Hussein R, Wurhofer D, Strumegger EM, Stainer-Hochgatterer A, Kulnik ST, Crutzen R, Niebauer J. Hussein R, et al. Among authors: crutzen r. Stud Health Technol Inform. 2022 Jun 6;290:222-226. doi: 10.3233/SHTI220066. Stud Health Technol Inform. 2022. PMID: 35673005 Review.
Determinants of natural adult sleep: An umbrella review.
Philippens N, Janssen E, Kremers S, Crutzen R. Philippens N, et al. Among authors: crutzen r. PLoS One. 2022 Nov 7;17(11):e0277323. doi: 10.1371/journal.pone.0277323. eCollection 2022. PLoS One. 2022. PMID: 36342936 Free PMC article. Review.
Health inequalities in post-conflict settings: A systematic review.
Bwirire D, Crutzen R, Ntabe Namegabe E, Letschert R, de Vries N. Bwirire D, et al. Among authors: crutzen r. PLoS One. 2022 Mar 14;17(3):e0265038. doi: 10.1371/journal.pone.0265038. eCollection 2022. PLoS One. 2022. PMID: 35286351 Free PMC article.
208 results