Acceptable Postvoid Residual Urine Volume after Vaginal Delivery and Its Association with Various Obstetric Parameters

Table 4

Correlation between various obstetric parameters with residual urine volume.

Obstetric parameters		value
Maternal age	−0.136	0.098
Body mass index	−0.216	0.008
Gestational age at delivery	0.008	0.924
Duration of active phase of labour	0.230	0.005
Duration of second stage of labour	0.306	<0.001
Duration of oxytocin augmentation	0.134	0.364
Duration of epidural analgesia	0.143	0.640
Interval from delivery to first void	0.058	0.48
Interval of first void and second void	−0.115	0.16
Perineal pain score	0.272	0.001
Birth weight	−0.072	0.380
Blood loss	0.202	0.013

Pearson correlation r test: r ≤ 0.3: weak correlation; 0.3 < r < 0.7: moderate correlation; r ≥ 0.7: strong correlation.