Table 1.

Characteristic of Participants

Variable	Group C	Group P	P
Cases(male/female)	39 (27/12)	39 (24/14)	0.617
Ages, yrs	60.3±7.7	59.4±7.5	0.238
Weight, kg	62.4±8.5	63.6±9.2,	0.532
Height, cm	165.3±16.1	166.1±15.2	0.591
ASA (I/II/III)	5/23/11	7/24/7	0.163
Smoking history	24	19	0.332
Duration of surgery, min	82.5±19.3	84.9±17.9	0.274

Notes: all values are presented as mean ± SD or number of patients. There were no significant differences in parameters between groups.

Abbreviation: ASA, American Society of Anesthesiologists.