Table 2. Post-operative pain rating during 48 h, the time to the first analgesic and total dose of analgesic in both the groups.

	D group (n = 34)	M group (n = 33)	P
VRS (Rest/Cough) d
2h	0(0–0) / 1(0.75–3)	0(0–0) / 2(0–3)	0.62/0.54 e
4h	1(0–1) / 2(1–3)	0(0–1) / 2(0–3)	0.482/0.067 e
6h	1(0–1.25) / 2.5(2–3)	1(0–1.5) / 2(1–4)	0.659/0.618 e
8h	1(1–1) / 3(2–3)	1(0–2) / 2(1–3)	0.632/0.217 e
16h	2(0–3) / 2(2–4)	1(0.5–2) / 2(2–3)	0.458/0.568e
24h	1(1–2) / 2(2–4)	1(0–2) / 3(2–4)	0.607/0.803 e
48h	1(1–2) / 2(2–3)	1(0–1.5) / 2(1–3)	0.084/0.125 e
The time to the first analgesic a	13.7 ± 7	15 ± 8.1	0.486 b
The total dose of analgesic d	100(100–200)	100(100–200)	0.679 e

^a Values are mean ± SD.

^d Values are median (interquartile range)

^b Independent two-sample t-test

^e Mann-Whitney U test.

D = dexmedetomidine, M = morphine, VRS = verbal rating score.