24-hour tramadol usage amounts and VAS values of the groups.

Table 2: 24-hour tramadol usage amounts and VAS values of the groups.

	Group 1	Group 2	P
Tramadol (mg)	227.0 ± 108.0	209.1 ± 83.6	0.506
VAS 1^st hour	0.57 ± 1.50	0.41 ± 1.47	0.529
VAS 4^th hour	5.33 ± 1.47	4.56 ± 1.89	0.104
VAS 12^th hour	5.37 ± 1.33	4.33 ± 1.59	0.014
VAS 24^th hour	2.63 ± 1.19	2.41 ± 1.60	0.180

Values are given as mean ± SD.