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| Patients | Control group 1 | Control group 2 | |
|---|---|---|---|
| Total | 140 | 105 | 136 |
| Median age (range, years) | 23 (16–43) | 33 (21–46) | 28 (16–46) |
| Mean (SD) age at first sexual intercourse (years) | 16 (1.58) | 17 (2.10) | 17 (2.38) |
| C trachomatis (LCR and serology) | 42 (17; 25) | 8 (0; 8) | 11 (1; 11) |
LCR, ligase chain reaction.
