Search Page
Filters
Results by year
Table representation of search results timeline featuring number of search results per year.
Year | Number of Results |
---|---|
1963 | 12 |
1964 | 13 |
1965 | 7 |
1966 | 8 |
1967 | 8 |
1968 | 18 |
1969 | 10 |
1970 | 22 |
1971 | 18 |
1972 | 26 |
1973 | 30 |
1974 | 29 |
1975 | 29 |
1976 | 20 |
1977 | 21 |
1978 | 32 |
1979 | 25 |
1980 | 33 |
1981 | 44 |
1982 | 34 |
1983 | 42 |
1984 | 45 |
1985 | 48 |
1986 | 35 |
1987 | 50 |
1988 | 43 |
1989 | 56 |
1990 | 66 |
1991 | 66 |
1992 | 55 |
1993 | 84 |
1994 | 66 |
1995 | 63 |
1996 | 61 |
1997 | 91 |
1998 | 78 |
1999 | 91 |
2000 | 108 |
2001 | 87 |
2002 | 111 |
2003 | 117 |
2004 | 114 |
2005 | 108 |
2006 | 133 |
2007 | 120 |
2008 | 117 |
2009 | 74 |
2010 | 98 |
2011 | 102 |
2012 | 108 |
2013 | 109 |
2014 | 84 |
2015 | 106 |
2016 | 96 |
2017 | 97 |
2018 | 77 |
2019 | 57 |
2020 | 62 |
2021 | 67 |
2022 | 87 |
2023 | 83 |
Search Results
3,629 results
Results by year
Of the 77 studies included in the meta-analysis, significant odds ratios (ORs) were obtained for eight factors associated with primary dysmenorrhea (PD): age 20 years (OR: 1.18; 95% confidence interval [CI]: 1.041.34), body mass index (BMI) < 18.5 kg/m2 (OR: 1.51; 95% CI: 1.01
…