Table 2.
Study characteristics: insights from parameter studies.
| Parameter | Studies | n | Mean or frequency (percentage) |
|---|---|---|---|
| Race | |||
| Caucasian | 71 | 4735 | 3749 (79.17%) |
| Others | 986 (20.83%) | ||
| Age | 69 | 4566 | 34.98 years |
| Parity | 55 | 3554 | 3251 (91.47%) |
| Lactation | 44 | 3252 | 2721 (83.67%) |
| OCP | 41 | 3203 | 730 (22.79%) |
| Smoking | 38 | 2687 | 373 (13.88%) |
| Size | 37 | 2151 | 4.64 cm |
| Trauma | 16 | 628 | 36 (5.7%) |
| BMI (mean) | 4 | 198 | 28.24 |
| BMI | |||
| <25 | 4 | 146 | 55 (37.67%) |
| >25 | 91 (62.32%) | ||
| BML | |||
| <30 | 3 | 164 | 76 (46.34%) |
| >30 | 88 (63.66%) | ||
| Recurrence rate | 60 | 4038 | 694 (17.18%) |