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Table 2 The delivery outcomes in intervention and control groups

From: Placental cord drainage and its outcomes at third stage of labor: a randomized controlled trial

  Drainage group (n = 175) Control group (n = 165) P
The length of third stage of labor
Mean ± SD (in minutes) 07:09.63 ± 01:01.756 10:43.37 ± 03:20.512 <  0.001a
 Median 07:10.04 11:00.02  
Manual removal of placenta (No., %)    0.001b
 No 174 (99.4) 152 (92.1)  
 Yes 1 (0.6) 13 (7.9)  
Retained placenta (No., %)    0.003b
 No 175 (100.0) 157 (95.2)  
 Yes 0 (0.0) 8 (4.8)  
Hemorrhage (No., %)    < 0.001b
 No 175(100.0) 146 (88.5)  
 Yes 0 (0.0) 19 (11.5)  
  1. aDerived from covariance analysis controlling for neonates’ weights
  2. bDerived from Fisher’s exact test