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Table 1 Results of fitting a general linear model of the logarithm of blood loss on center, arm and logarithmic-transformed TSL duration

From: Duration of third stage labour and postpartum blood loss: a secondary analysis of the WHO CHAMPION trial data

LR statistics for type 3 analysis
Source DF Chi-square Pr > ChiSq
Center 9 1432.55 < 0.0001
Arm 1 0.88 0.3470
Logduration 1 10.57 0.0011
Logduration*Arm 1 1.59 0.2070