Table 1. Baseline characteristics and surgical aspects of the included patients in both the groups.

	D group (n = 34)	M group (n = 33)	P
Age (year) a	58 ± 11	61 ± 6	0.155 b
Male Sex (%)	59	58	0.918 c
Body mass index (Kg/m2) a	24.1 ± 3.1	23.1 ± 2.8	0.23 b
Type of colectomy (%)			0.405 c
Right-sided	59	42
Left-sided	15	21
Sigmoid	26	37
Duration of surgery (min) a	184 ± 21	179 ± 18	0.298 b
PTh (mA) a	1.54 ± 0.1	1.53 ± 0.1	0.747 b
PTTh (mA) a	2.54 ± 0.2	2.51 ± 0.3	0.648 b

^a Values are mean ± SD.

^b Independent two-sample t-test

^c Chi-squared test.

D = dexmedetomidine, M = morphine, PTh = pain threshold, PTTh = pain tolerance threshold.