Table 2.

Estimated mean difference in distance ambulated by block type and gender at 24, 36, 48, 60 and 72 h based on contrasts from the multivariable regression model

Comparison	Mean difference (feet)	95% CI	P value
Lumbar plexus vs. epidural	31.9	−4.06, 67.9	0.081
Males vs. females at 24 h	63.9	−8.75, 136.5	0.084
Males vs. females at 36 h	81.1	−0.04, 162.2	0.050
Males vs. females at 48 h	98.3	8.11, 188.5	0.033
Males vs. females at 60 h	115.5	15.9, 215.2	0.024
Males vs. females at 72 h	132.7	23.3, 242.2	0.018

Significant P values (less than or equal to 0.05) were bolded