Table 1.
Clinical information for pregnant women (n = 168) enrolled in the study.
| Characteristics | PAS | Previa | Normal | p valuea |
|---|---|---|---|---|
| Total number (n) | 65 | 59 | 44 | |
| Median maternal age (range)-yo | 36 (23–44) | 35 (19–54) | 37 (22–45) | 0.8772 |
| Pre-pregnancy BMIb (range) | 24 (16–49) | 23 (17–32) | 24 (19–44) | 0.4858 |
| IVFc-n (%) | 0.5830 | |||
| Yes | 14 (21.5) | 11 (18.6) | 15 (34.1) | |
| No | 51 (78.5) | 48 (81.4) | 29 (65.9) | |
| Gravidity-n (%) | 0.0180 | |||
| 1 | 8 (12.3) | 7 (11.9) | 15 (34.1) | |
| 2 | 11 (16.9) | 16 (27.1) | 15 (34.1) | |
| ≥3 | 46 (70.8) | 36 (61.0) | 14 (31.8) | |
| Parity-n (%) | 0.0294 | |||
| 0 | 10 (15.4) | 13 (22.0) | 20 (45.5) | |
| 1 | 26 (40.0) | 19 (32.2) | 21 (47.7) | |
| ≥2 | 29 (44.6) | 27 (45.8) | 3 (6.8) | |
| Previous CDd-n (%) | 0.0013 | |||
| 0 | 15 (23.1) | 21 (35.6) | 32 (72.7) | |
| 1 | 30 (46.1) | 20 (33.9) | 11 (25.0) | |
| ≥2 | 20 (30.8) | 18 (30.5) | 1 (2.3) |
aPAS versus non-PAS.
bBMI: body mass index (kg m‒2).
cIVF: In vitro fertilization.
dCD: cesarean delivery. Comparisons are evaluated using Mann–Whitney test or the Chi-square test. All tests are two-sided without adjustments.