Table 1.

Patient baseline characteristics in the two treatment groups

	Treatment		P-value
Group D (n=50)	Group S (n=50)
Age (years)	47.6±6.3	49.8±7.6	0.24a
Sex (male:female)	30:20	33:17	0.53b
Height (cm)	170±22	168±20	0.62a
Weight (kg)	72.2±9.3	71.2±8.5	0.81a
ASA status (I:II)	15:35	21:29	0.21b

Notes: Data are mean (±SD), or number. ^aStudent t test. ^bChi-square test.

Abbreviations: Group D, dexmedetomidine group; Group S, saline group; ASA, American Society of Anesthesiologists.