Table 1.
baseline demographic, clinical characteristics and anthropometric indices
| Variables | Categories | Study groups | Test statistics | P -value | |
|---|---|---|---|---|---|
| Membrane sweeping | No membrane sweeping | ||||
| Age (years) | 15 – 24 years | 6 (14.0) | 4 (4.1) | χ2=0.652 | 0.884 |
| 25 – 34 years | 24 (55.6) | 25 (56.8) | |||
| 35 – 44 years | 11 (25.6) | 12 (27.3) | |||
| >45 years | 2 (4.7) | 3 (6.8) | |||
| Mean ± SD | 31.5 ± 6.4 | 31.6 ± 6.0 | t= 0.060 | 0.952 | |
| Parity | Primipara | 7 (16.3) | 11 (25.0) | χ2=1.893 | 0.388 |
| Multipara | 33 (76.7) | 32 (72.7) | |||
| Grand multipara | 3 (7.0) | 1 (2.3) | |||
| Median | 2.0 | 3.0 | *0.585 | ||
| Previous VBAC | Present | 13 (30.2) | 12 (27.3) | χ2=0.0093 | 0.760 |
| Absent | 30 (69.8) | 32 (72.7) | |||
| RR:1.2 (0.46-2.9) | |||||
| Previous vaginal delivery | Present | 36 (83.7) | 34 (77.3) | χ2=0.575 | 0.448 |
| Absent | 7 (16.3) | 10 (22.7) | |||
| RR: 1.5(0.4 – 4.4) | |||||
| G.A at recruitment | Mean ± SD | 38.4 ± 0.2 | 38.3 ± 0.2 | t= 0.038 | 0.970 |
| Bishop score at recruitment | 0 - 5 | 31 (72.1) | 34 (77.3) | χ2=0.309 | 0.578 |
| 6 - 13 | 12 (27.9) | 10 (22.7) | |||
| RR: 0.76(0.291.98) | |||||
| Mean ± SD | 4.2 ± 2.03 | 4.3 ± 1.68 | t= 0.101 | 0.057 | |
| BMI (kg/m2) | Normal | 2 (4.7) | 5 (11.4) | χ2=1.774 | 0.412 |
| Overweight | 36 (83.7) | 36 (81.8) | |||
| Obese | 5 (11.6) | 3 (6.8) | |||
| Mean ± SD | 27.3 ± 2.3 | 26.7 ± 2.4 | t = 1.328 | 0.188 | |
| Weight (kg) | Mean ± SD | 70.1 ± 7.1 | 68.6 ± 6.2 | t = 1.048 | 0.298 |
| Height (m) | Mean ± SD | 1.6 ± 0.1 | 1.6 ± 0.1 | t = 0.305 | 0.761 |
t: student t-test for two independent means; * Fishers exact; χ2: chi-squared; BMI: body mass index; RR: relative risk; VBAC: vaginal birth after caesarean section; G.A: gestational age