Table 1 . Demographic characteristics of the patients in three groups .

	Group P	Group E	Group P+E	P
Sex
Male	24	26	21	0.282
Female	6	4	9
ASA
Male	27	29	28	0.585
Female	3	1	2
Age	40 ± 16	38.5 ± 12.5	40.4 ± 16.5	0.865
Weight	71.5 ± 13	74 ± 9.9	73.5 ± 12.3	0.608