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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 4.

Characteristics of the units and risk of severe PPH, multivariable analysis

Variables Adjusted OR 95% CI
Status
 University public 1.00 -
 Other public 1.46 1.10–1.87
 Private 1.00 0.73–1.37
Level of care
 1 0.92 0.72–1.17
 2 1.00 -
 3 0.94 0.66–1.34
Number of annual of deliveries
 <1,500 1.11 0.81–1.53
 1,500–2,500 1.00 -
 >2,500 1.06 0.76–1.46
24 h/24 presence of obstetrician 0.83 0.66–1.04
24 h/24 presence of anesthesiologist 1.05 0.78–1.42

Multilevel logistic regression 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) and early management of PPH (oxytocin administration. manual examination of the uterine cavity) (N= 4 399 PPH)