| Author, Year Country Quality | N | Study Design | Diagnostic Criteria or Operational Definition | Method of Diagnosis | Prevalence |
|---|---|---|---|---|---|
| Droz et al., 201176 US Quality:Fair | 326 | Cross-sectional | Menstrual pain with no other discernable cause | Physician evaluated | 4% |
| Zondervan et al., 200113 UK Quality: Fair | 451 | Cross-sectional | Pelvic pain during or shortly before or after menstrual periods; prevalence calculated by dividing the number of women who reported dysmenorrhea during the previous 3 months by the number of women who had menstrual periods | Self-reported on postal survey | 81% |
| Montenegro et al., 200978 Brazil Quality: Poor | 108 | Cross-sectional | Pain occurring in association with menstruation | Self-reported on history form | 62% |
| Pitts et al., 200879 Australia Quality: Poor | 427 | Cross-sectional | Pelvic pain with periods, including irregular bleeding while on the pill or HRT | Self-reported during computer-assisted telephone interview | 84% |
| Grace et al., 200414,15 New Zealand Quality: Poor | 214 | Cross-sectional | Pelvic pain with periods, including irregular bleeding while on the pill or HRT | Self-reported on postal survey | 79% |
| Johnson et al., 200480 New Zealand Quality: Poor | 123 | RCT | NR | NR | 88% |
| Chung et al., 200374 Korea Quality: Poor | 106 | Cross-sectional | NR | Self-reported | 13% |
| Ling et al., 199981 US Quality: Poor | 100 | RCT | NR | Physician evaluated | 100% |
| Gestrinone Study group, 199683 Italy Quality: Poor | 55 | RCT | Menstrual pain | Self-reported on VAS | 100% |
| Vercellini et al., 199382 Italy Quality: Poor | 57 | RCT | NR | Self-reported on VAS | 100% |
| Gestrinone Italian Study Group, 199683 Italy Quality: Poor | 55 | RCT | Menstrual pain, severity classified according to limitation of ability to work | Self-reported on questionnaire | 100% |
| Vercellini et al., 199382 Italy Quality: Poor | 57 | RCT | NR | Self-reported on patient questionnaire | 88% |
HRT = hormone replacement therapy; N = number; NR = not reported; RCT = randomized controlled trial; VAS = visual analog scale.
From: Results
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