Table 3.

Comparison of baseline demographic variables between group ropivacaine, ropivacaine+tramadol, and ropivacaine+dexamethasone (n=30)

	Group R	Group T	Group D	P
Age	45.30±6.87	46.30±6.07	42.50±7.20	0.706
Weight	74.80±7.80	75.81±7.68	72.60±6.85	0.562
Sex (female/male)	17/13	14/16	18/12	0.465
Duration of surgery (min)	45.68±5.65	46.75±6.02	45.89±5.93	0.354
ASA status, n (%)
ASA 1	16 (53)	18 (60)	17 (56)	0.321
ASA II	14 (46)	12 (40)	13 (43)

The data are expressed as mean±SD and analyzed using unpaired t-test or as n (%) and analyzed using Chi-square test. ASA=American Society of Anesthesiologist; Group R=Ropivacaine; Group T=Ropivacaine+tramadol; Group D=Ropivacine+dexamethasone; SD=Standard deviation