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Table 1 Demographic and delivery characteristics among women randomized to one of three routes of oxytocin administration

From: Intramuscular injection, intravenous infusion, and intravenous bolus of oxytocin in the third stage of labor for prevention of postpartum hemorrhage: a three-arm randomized control trial

  IM injection (n = 2104) IV infusion (n = 2108) IV bolus (n = 701) p-value*
DEMOGRAPHICS
Age, mean (SD) 27 (5.3) 27 (5.3) 26 (5.2) 0.074
Education, % (n)
 None 27.7 (582) 28.9 (609) 27.4 (192) 0.565
 Primary 12.4 (261) 10.8 (227) 13.7 (96)  
 Preparatory 18.8 (395) 20.5 (433) 18.8 (132)
 Secondary 6.1 (129) 6.1 (128) 6.8 (48)
 Technical 27.6 (581) 26.7 (563) 26.0 (182)
 University 7.4 (156) 7.0 (148) 7.3 (51)
Marital status, % (n) 0.176
 Married 99.5 (2093) 99.8 (2103) 99.9 (700)  
 Widowed/divorced 0.5 (11) 0.2 (5) 0.1 (1)
DELIVERY CHARACTERISTICS
Mean Hb at enrollment (SD) 11.4 (1.15) 11.4 (1.17) 11.4 (1.11) 0.481
Gestational < 37 weeks, % (n) 10.7 (226) 11.8 (248) 11.6 (81) 0.561
> 3 previous live births, % (n) 17.1 (360) 15.4 (324) 15.3 (107) 0.249
Nulliparous, % (n) 32.4 (682) 32.0 (674) 30.0 (210) 0.477
Known previous PPH, % (n) 0.5 (11) 0.8 (17) 0.7 (5) 0.523
Multiple birth, % (n) 1.4 (29) 1.2 (25) 2.1 (15) 0.176
Epidural, % (n) 0.6 (12) 1.2 (26) 0.7 (5) 0.061
Episiotomy, % (n) 39.3 (826) 44.1 (930) 44.5 (312) 0.002
Controlled cord traction, % (n) 93.9 (1975) 94.5 (1992) 95.3 (668) 0.339
Uterine massage, % (n) 89.4 (1880) 89.0 (1876) 89.3 (626) 0.927
  1. *p values derived from chi-square test for categorical variables and one-way ANOVA test for continuous variables
  2. In bold: comparison statistically significant at p ≤ 0.0435