Maternal age (years) |
32.27 (±4.89) |
32.78 (±4.63) |
0.304 |
Maternal weight (Kg) |
56.00 (51.10-62.00) |
57.70 (51.70-62.10) |
0.237 |
Maternal height (cm) |
159.40 (±5.520) |
158.59 (±5.700) |
0.156 |
Maternal BMI (Kg/m2) |
21.92 (20.17-24.16) |
23.07
(20.71-24.92) |
0.030* |
Gestational age (weeks) |
39.71 (38.57-40.71) |
39.43 (38.21-40.57) |
0.092 |
Smoking |
4 (1.63; 0.00-3.23) |
5 (3.3; 0.42-6.12) |
0.286 |
Chinese Asian |
241 (98.00; 96.19-99.74) |
149 (96.80; 93.9-99.58) |
0.449 |
Nulliparous |
134 (54.47; 48.20-60.74) |
119 (77.27; 70.60-84.00) |
<0.001* |
Induction of labour |
173 (70.32; 64.58-76.07) |
124 (80.52;
74.19-86.85) |
0.023* |
Indications for labour induction |
Indications for
labour induction |
Indications for labour induction |
Indications for labour induction |
Postdate
Diabetes (preexisting or GDM)
Hypertension
Decrease FM/ Suboptimal CTG
Large or small for gestational age
SROM
|
47 (19.11; 14.16-24.05)
9 (3.70;1.30-6.02)
8 (3.25; 1.02-5.48)
24 (9.76; 6.02-13.49)
20 (8.13; 4.69-11.57)
58 (23.58; 18.24-28.92)
|
30 (19.48; 13.15-25.81)
15 (9.74; 5.00-14.48)
4 (2.60; 0.06-5.14)
12 (7.79;3.51-12.07)
19 (12.34; 7.09-17.59)
37 (24.03; 17.20-30.85)
|
0.926
0.013*
0.709
0.504
0.167
0.918
|
Estimated foetal weight (g) |
3176 (2920-3361) |
3219 (2959-3423) |
0.280 |
Estimated foetal weight (z-score) |
-0.02 (±1.44) |
0.32 (±1.39) |
0.021* |
Umbilical artery PI |
0.80 (0.700-0.91) |
0.78 (0.68-0.89) |
0.321 |
Middle cerebral artery PI |
1.40 (1.22-1.61) |
1.38 (1.20-1.63) |
0.588 |
Cerebroplacental ratio |
1.79 (1.51-2.12) |
1.78 (1.47-2.13) |
0.881 |
Mean uterine artery PI |
0.75 (0.62-0.94) |
0.72 (0.64-0.85) |
0.566 |
Short term variability (ms) |
7.90 (6.45-9.80) |
7.90 (6.75-9.50) |
0.957 |
Dawes-Redman criteria not met |
22 (8.98; 5.37-12.58) |
13 (8.44;
0.04-0.13) |
0.853 |
Spontaneous vaginal delivery |
203 (82.52; 77.74-87.30) |
102 (66.23;
58.68-73.79) |
<0.001* |
Caesarean delivery |
27 (10.98; 7.04-14.91) |
34 (22.08; 15.45-28.70) |
0.003* |
Operative vaginal delivery |
16 (6.50; 3.40-9.61) |
18 (11.69;
6.56-16.82) |
0.060 |
Birth weight (g) |
3175 (2983-3417) |
3217 (2985-3491) |
0.475 |
Birth weight z-score |
-0.11 (±0.68) |
0.11 (±0.81) |
0.005* |
Apgar score at one minute |
8.81 (±0.59) |
8.49 (±1.11) |
0.001* |
Apgar score at five minutes |
9.85 (±0.38) |
9.63 (±0.78) |
0.002* |
Umbilical cord arterial pH |
7.25 (7.20-7.30) |
7.24 (7.18-7.29) |
0.163 |
Umbilical cord arterial pH < 7.1 |
53 (21.99; 16.73-27.26) |
47 (31.54; 24.00-39.09) |
0.036* |
Base excess ≤ -12 mmol/L |
7 (2.90; 0.77-5.04) |
13 (8.72;
4.14-13.31) |
0.011* |
Caesarean section for foetal distress |
5 (2.03; 0.26-3.81) |
7 (4.55;
1.22-7.87) |
0.152 |
Operative vaginal delivery for foetal distress |
9 (3.66; 1.30-6.02) |
13 (8.44; 4.00-12.88) |
0.041* |