Table 4 Diagnostic categories
Variables | Pregnancy ( +) | Non-pregnancy ( −) |
|---|---|---|
(N = 3656) | (N = 9335) | |
Ovary-related factors | 114 (3.1%) | 481 (5.2%) |
Tubal related factors | 756 (20.7%) | 1599 (17.1%) |
Endometriosis | 42 (1.1%) | 88 (0.9%) |
Male factors | 343 (9.4%) | 705 (7.6%) |
Uterine factors | 37 (1%) | 81 (0.8%) |
Other | 1344 (36.8%) | 3408 (36.5%) |
Multiple causes | 1020 (27.9%) | 2973 (31.8%) |