Table I.
Medical records of the two patient groups and the healthy control group.
| Items in the records | Observation group | Control group | Healthy control group | P-value |
|---|---|---|---|---|
| Case no. | 35 | 45 | 32 | |
| Age (years) | 30.6±4.2 | 31.9±4.7 | 29.3±5.1 | 0.725 |
| Menopause time (days) | 54.2±7.4 | 55.6±6.9 | 57.2±8.8 | 0.833 |
| Parity, n (%) | ||||
| Primipara | 12 (34.29) | 14 (31.11) | 10 (31.25) | 0.857 |
| Multipara | 23 (65.71) | 31 (68.89) | 22 (68.75) | |
| Smoking history, n (%) | ||||
| Yes | 3 (8.57) | 5 (11.11) | 2 (6.25) | 0.813 |
| No | 32 (91.43) | 40 (88.89) | 30 (93.75) | |
| Residence, n (%) | ||||
| Urban | 17 (48.57) | 21 (46.67) | 15 (46.88) | 0.792 |
| Rural | 18 (51.43) | 24 (53.33) | 17 (53.12) | |
| Ethnicity, n (%) | ||||
| Han | 33 (94.29) | 41 (91.11) | 29 (90.63) | 0.815 |
| Minority | 2 (5.71) | 4 (8.89) | 3 (9.37) | |
| Type of ectopic pregnancy, n (%) | ||||
| Fallopian tube | 29 (82.86) | 41 (91.11) | 0.653 | |
| Ovary | 2 (5.71) | 3 (6.67) | ||
| Cesarean section scar | 1 (2.86) | 1 (2.22) | ||
| Others | 3 (8.57) | 0 (0.00) |