Characteristics
Total (186)
95% CI
Group A (150)
95% CI
Group B (36)
95% CI
Age, years 32.3 31.5-33.0 33.5 31.8-37.2 33.5 31.8-35.2
Gestational age at ECV, weeks 37.5 37.4-37.5 37.4 37.2-37.5 37.4 37.2-37.5
Gravida 1.9 1.7-2.1 2.0 1.6-2.4 2.0 1.6-2.4
Nulliparous, % (n) 66.1% (123) 59.1-72.6 72.2% (26) 56.3-84.7 64.7% (97) 56.8-72.0
Previous CS, % (n) 3.8% (7) 1.7-7.2 5.6% (2) 1.2-16.6 3.3% (5) 1.3-7.2
BMI, Kg/m2 27.7 26.9-28.4 28.7 26.8-30.5 27.4 26.6-28.3
BMI <25, % (n) 31.1% (50) 24.3-38.5 23.3% (7) 11.1-40.4 32.8% (43) 25.2-41.2
BMI 25-30, % (n) 41.6% (67) 34.2-49.3 40.0% (12) 24.0-57.8 42.0% (55) 33.8-50.5
BMI 30-35, % (n) 16.1% (26) 11.1-22.4 20.0% (6) 8.8-36.7 15.3% (20) 9.9-22.2
BMI 35-40, % (n) 9.3% (15) 5.5-14.5 16.7% (5) 6.7-32.7 7.6% (10) 4.0-13.1
BMI >40, % (n) 1.9% (3) 0.5-4.9 0% (0) 2.3% (3) 0.6-6.0
EFW before ECV, grams 2797 2749-2845 2806 2698-2914 2795 2741-2849
Placental location, % (n)
Anterior, % (n) 52.2% (96) 45.0-59.3 55.6% (20) 39.4-70.8 51.4% (76) 43.3-59.3
Posterior, % (n) 39.1% (72) 32.3-46.3 38.9% (14) 24.3-55.2 39.2% (58) 31.6-47.2
Fundus, % (n) 4.3% (8) 2.1-8.0 0% (0) 5.4% (8) 2.6-9.9
Lateral wall, % (n) 4.3% (8) 2.1-8.0 5.6% (2) 1.2-16.6 4.1% (6) 1.7-8.2
Amniotic fluid pocket, mm 52.1 48.9-55.2 48.3 43.9-52.6 53.2 49.3-57.0
Transversal lie, % (n) 7.0% (13) 4.0-11.3 5.6% (2) 1.2-16.6 7.3% (11) 4.0-12.3