Table 2. Comparison of clinical characteristics of EC by mode of delivery.
| Variable | VD (n=725) | CS (n=69) | p-value |
|---|---|---|---|
| Age at EC onset | 63.93±11.14 | 59.48±9.80 | <0.001*** |
| Pre-menopause status | 113 (15.6%) | 18 (26.1%) | 0.024* |
| Stage (≥III) | 143 (19.7%) | 13 (18.8%) | 0.881 |
| Histology (aggressive type) | 233 (32.1%) | 22 (31.9%) | 0.965 |
| BMI (≥30.0 kg/m2) | 24.51±5.37 | 26.30±6.13 | 0.021* |
| HT (present) | 204 (28.1%) | 19 (27.5%) | 0.915 |
| DM (present) | 82 (11.3%) | 15 (21.7%) | 0.011* |
| HL (present) | 110 (15.2%) | 3 (4.3%) | 0.013* |
| HDP (present) | 5 (0.7%) | 5 (7.2%) | <0.001*** |
| Number of pregnancies | 2.53±1.01 | 2.19±0.81 | 0.001** |
| Number of deliveries | 2.11±0.70 | 1.87±0.71 | 0.008** |
| Age at last delivery | 29.26±4.02 | 31.12±4.37 | <0.001*** |
| Interval from last delivery to EC onset | 34.57±12.86 | 28.36±10.81 | <0.001*** |
Values are presented as mean ± standard deviation or number (%).
BMI, body mass index; CS, caesarean section; DM, diabetes mellitus; EC, endometrial cancer; HDP, hypertensive disorders of pregnancy; HL, hyperlipidemia; HT, hypertension; VD, vaginal delivery.
*p<0.05, **p<0.01, ***p<0.001.