Table 1.
Demographic and clinical characteristics of pregnant women undergoing laparoscopic or open appendectomy
| Characteristic | Group; mean ± SD or no. (%) | p value | |
|---|---|---|---|
| LA, n = 22 | OA, n = 39 | ||
| Age, yr | 29.3 ± 3.1 | 31.4 ± 4.3 | 0.45 |
| BMI | 22.7 ± 2.8 | 22.8 ± 3.6 | 0.83 |
| Gestation age at operation, wk | 16.4 ± 5.7 | 16.7 ± 4.8 | 0.80 |
| First trimester | 6 (27.3) | 8 (20.5) | |
| Second trimester | 13 (59.1) | 20 (51.3) | |
| Third trimester | 3 (13.6) | 11 (28.2) | |
| Previous Caesarean section | 4 (18.2) | 8 (20.5) | 0.64 |
| Preoperative ultrasonography | 22 (100) | 39 (100) | — |
| False-positive ultrasound | 2 (9.1) | 4 (10.3) | 0.65 |
| False-negative ultrasound | 5 (22.7) | 7 (17.9) | 0.16 |
BMI = body mass index; LA = laparoscopic appendectomy; OA = open appendectomy; SD = standard deviation.