Skip to main content

Advertisement

Table 1 Characteristics of women (1) with ECV at or near term, (2) without ECV but eligible for ECV, and (3) ineligible for ECV (N = 32,321)

From: Uptake of external cephalic version for term breech presentation: an Australian population study, 2002–2012

Characteristic ECV at or near Term n = 3382 No ECV but Eligible n = 21,729 No ECV and Ineligible n = 7210 Difference between ECV and Eligible groups
n(col%) n(col%) n(col%) Test statistic, p-value
Gestational age at ECV     -
 36 weeks 1055 (31.2) - -
 37 weeks 1239 (36.6)   
 38 weeks 646 (19.1)   
 39 weeks 266 (7.9)   
  ≥ 40 weeks 176 (5.2)   
Maternal age (mean, SD) 31.6 (5.1) 30.5 (5.4) 32.5 (5.2) t(4637.8) = 11.56, p < 0.01
  ≤ 20 years 50 (1.5) 652 (3.0) 71 (1.0) X2 (3)=88.60, p < 0.01
 20–35 years 2312 (68.4) 15,976 (73.5) 4468 (62.0)
  ≥ 35 years 1019 (30.1) 5096 (23.5) 2670 (37.0)
Parity     X2 (1)=235.12, p < 0.01
 Nulliparous 1819 (53.8) 14,600 (67.3) 1219 (16.9)
 Multiparous 1562 (46.2) 7100 (32.7) 5990 (83.1)
Country of birth     X2 (1)=128.15, p < 0.01
 Australia 2052 (60.7) 15,286 (70.4) 5067 (70.3)
 Elsewhere 1330 (39.3) 6443 (29.7) 2143 (29.7)
Smoking during pregnancy 278 (8.2) 2497 (11.5) 882 (12.2) X2 (1)=31.87, p < 0.01
Morbid obesity 14 (0.4) 189 (0.9) 135 (1.9) X2 (1)=7.58, p < 0.01
Hypertensive disorder 198 (5.9) 2075 (9.6) 1019 (14.1) X2 (1)=48.53, p < 0.01
Diabetes 257 (7.6) 1627 (7.5) 834 (11.6) X2 (2)=0.05, p = 0.82
Patient type at delivery     X2 (2)=239.15, p < 0.01
 Private 623 (18.4) 6543 (30.1) 2174 (30.2)
 Private patient in public hospital 132 (3.9) 1246 (5.7) 475 (6.6)
 Public 2627 (77.7) 13,940 (64.2) 4561 (63.3)
Delivery hospital     X2 (2)=725.25, p < 0.01
 Tertiary hospital in Urban area 1550 (45.8) 5520 (25.4) 2033 (28.2)
 Non-tertiary hospital in Urban area 1524 (45.1) 11,216 (51.6) 3584 (49.7)
 Non-tertiary hospital in Regional area 308 (9.1) 4993 (23.0) 1593 (22.1)
  1. Note: Percentages may not add exactly to 100% due to <0.1% missing data