Table 2.

Means and comparison of background variables across two groups

Group	Group	Mean	SD	p
Age (years)	S	37.94	10.36	0.956
	B	37.78	11.95
Weight (kg)	S	81.39	11.27	0.965
	B	81.51	12.24
Duration of operation (h)	S	3.10	0.972	0.640
	B	3.20	0.759
Fluid Volume (L)	S	2.35	0.68	0.310
	B	2.54	0.75
Urine Output (mL)	S	431.61	198.53	0.460
	B	473.51	255.95

SD: standard deviation