Table 1: Health care utilization, by management strategy
Item*	Induction with oxytocin (IwO) n=1258	Induction with prostaglandin (IwP) n=1259	Expectant management with oxytocin (EM-O) n=1263	Expectant management with prostaglandin (EM-P) n=1261
Outpatient visits, mean no. (range)	0.01  (0–2)†‡	0.06  (0–3)‡§	0.17  (0–5)†	0.16  (0–5)§
Ultrasound of AFV, mean no. (range)	0.05  (0–3)†	0.04  (0–3)§	0.09  (0–4)†	0.09  (0–6)§
LOS in antenatal ward, median hours (5th and 95th percentiles)	3.50  (0.65, 16.75)†‡	11.17  (2.33, 30.67)‡§	8.33  (0, 57.88)†	8.92  (0, 62.42)§
Time from oxytocin induction to labour, median hours (5th and 95th percentiles)	2.33  (0, 9.92)†‡	0  (0, 2.50)‡	0  (0, 5.75)†	0  (0, 2.50)
Induction with oxytocin, no. (%) of women	1115  (88.63)	130  (10.33)	264  (20.90)	106  (8.41)
Labour augmented with oxytocin, no. (%) of women	41  (3.26)	413  (32.80)	366  (28.98)	446  (35.37)
Induction with prostaglandin gel, no. (%) of women	8  (0.64)	1112  (88.32)	31  (2.45)	199  (15.78)
Prostaglandin gel applications, mean no. (range)	0.01  (0–1)†‡	1.23  (0–4)‡§	0.03  (0–3)†	0.22  (0–4)§
Type of delivery, no. (%) of women
Spontaneous vaginal	898  (71.38)	910  (72.28)	884  (69.99)	897  (71.13)
Operative vaginal	233  (18.52)	228  (18.11)	256  (20.27)	226  (17.92)
Cesarean section	127  (10.10)	121  (9.61)	123  (9.74)	138  (10.94)
Infants seen in NICU or SCN, no. (%)	152  (12.08)†	178  (14.14)	229  (18.13)†	207  (16.42)
LOS, median hours (5th and 95th percentiles)
In NICU	0  (0, 3.75)	0  (0, 14.00)	0  (0, 16.75)	0  (0, 31.98)
In SCN	0  (0, 17.82)†	0  (0, 29.50)	0  (0, 40.00)†	0  (0, 28.83)
In postpartum ward	62.97  (22.40, 130.78)	62.50  (20.03, 136.88)	63.02  (23.05, 137.18)	62.97  (23.03, 134.22)
*AVF = amniotic fluid volume, LOS = length of stay, NICU = neonatal intensive care unit, SCN = special care nursery. †p < 0.001 for difference between IwO and EM-O. ‡p < 0.001 for difference between IwO and IwP. §p < 0.001 for difference between IwP and EM-P.

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