Table 1 Baseline characteristics of two study groups
From: Effects of dysregulated glucose metabolism on the occurrence and ART outcome of endometriosis
Characteristics | Endometriosis (n = 412) | Controls (n = 1551) | P value |
|---|---|---|---|
Maternal age (years) | 32 (30–35) | 33 (30–36) | 0.129 |
BMI (kg/m2) | 21.0 (19.5–22.9) | 21.3 (19.6–23.3) | 0.052 |
Smoking | Â | Â | 0.060 |
 No [n (%)] | 409 (99.3) | 1518 (97.9) |  |
 Yes [n (%)] | 3 (0.7) | 33 (2.1) |  |
Drinking | Â | Â | NA |
 No [n (%)] | 412 (100.0) | 1550 (99.9) |  |
 Yes [n (%)] | 0 (0.0) | 1 (0.1) |  |
Duration of infertility (years) | 3.0 (1.5–4.0) | 2.8 (1.0–4.0) | 0.248 |
Type of infertility |  |  |  < 0.001 |
 Primary infertility [n (%)] | 258 (62.6) | 537 (34.6) |  |
 Secondary infertility [n (%)] | 120 (29.1) | 838 (54.0) |  |
 Less than one year [n (%)] | 34 (8.3) | 176 (11.3) |  |
Type of ART | Â | Â | 0.437 |
 IVF [n (%)] | 337 (79.5) | 1195 (77.6) |  |
 Half ICSI [n (%)] | 8 (1.9) | 21 (1.4) |  |
 ICSI [n (%)] | 79 (18.6) | 323 (21.0) |  |
History of preterm delivery [n (%)] | 3 (0.7) | 21 (1.4) | 0.438 |
History of miscarriage [n (%)] | 116 (28.2) | 928 (59.8) |  < 0.001 |
Number of previous pregnancies (n) | 0.0 (0.0–1.0) | 1.0 (0.0–2.0) |  < 0.001 |
CA125 (U/mL) | 24.00 (15.10–41.20) | 15.10 (11.00–21.60) |  < 0.001 |