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. Author manuscript; available in PMC: 2012 Apr 5.
Published in final edited form as: Obstet Gynecol. 2011 Jan;117(1):21–31. doi: 10.1097/AOG.0b013e318202c845

Table 3.

Initial management of PPH and risk of severe PPH, multivariable analysis


Model 1 Model 2 Model 3 Model 4 Model 5 Model 6 Model 7

aOR 95% CI aOR 95% CI aOR 95% CI aOR 95% CI aOR 95% CI aOR 95% CI aOR 95% CI
Oxytocin administration
 ≤10 min 1.00 - 1.00 - 1.00 - 1.00 -
 >10–20 min 1.38 1.03–1.85 1.39 1.02–1.89 1.38 1.01–1.88 1.33 0.97–1.83
 >20 min 1.86 1.45–2.38 1.63 1.26–2.11 1.60 1.23–2.08 1.49 1.14–1.94
 done but delay unknown 0.75 0.61–0.91 0.95 0.74–1.21 0.97 0.76–1.25 1.00 0.78–1.30
 not done 0.82 0.60–1.13 0.96 0.68–1.33 0.97 0.69–1.36 1.02 0.72–1.43
Manual examination of uterine cavity
 ≤10 min 1.00 - 1.00 - 1.00 - 1.00 -
 >10–20 min 1.30 0.97–1.76 1.12 0.82–1.55 1.04 0.75–1.43 0.87 0.62–1.20
 > 20 min 1.83 1.42–2.35 1.60 1.23–2.10 1.35 1.01–1.80 1.05 0.78–1.41
 done but delay 0.62 0.50–0.78 0.69 0.52–0.92 0.67 0.50–0.89 0.68 0.50–0.91
 not done 0.96 0.76–1.21 1.01 0.79–1.27 1.10 0.86–1.40 1.30 1.01–1.66
Call for obstetrician
 present/call ≤10min 1.00 - 1.00 - 1.00 -
 call > 10 min 1.61 1.23–2.12 1.29 0.96–1.73 1.10 0.80–1.52
 called but unknown delay 1.14 0.84–1.56 1.32 0.96–1.82 1.24 0.87–1.76
 not called. not present 0.54 0.44–0.65 0.56 0.46–0.68 0.70 0.57–0.85
Call for anaesthesiologist
 present/call ≤10 min 1.00 - 1.00 -
 call > 10 min 1.51 1.14–2.00 1.33 0.96–1.84
 called but delay unknown 0.99 0.73–1.35 1.06 0.75–1.50
 not called. not present 0.37 0.31–0.46 0.43 0.35–0.54

Models 1–7: multilevel logistic regression models adjusted for characteristics of women before PPH: previous PPH, parity/previous cesarean delivery, multiple pregnancy, onset of labor, epidural analgesia, prolonged labor, gestational age, prophylactic uterotonics, delivery/episiotomy, birth weight (N= 4 399 PPH)