Table 2.

Sufentanil consumption and pain intensity at rest and on swallow during the first 24 hour

Parameter	Group S (n = 29)	Group SD (n = 29)
Sufentanil consumption (μg)	47.8 ± 4.7	38.0 ± 1.8**
At rest
0 h	2 (1–2)	2 (1–2)
1 h	2 (1–2)	1 (1–2)
2 h	2 (2–3)	1 (0.5–1)***
3 h	3 (2–3)	1(1–2)***
12 h	3 (2–4)	1 (1–2)***
24 h	2 (2–3)	1 (0.5–1)***
On swallow
1 h	5 (4–5)	4 (3–5)
2 h	6 (5–7)	4 (3–5)***
3 h	6 (5–7)	4 (3.5–5)***
12 h	5 (4–5)	3 (3–4)***
24 h	4 (3–5)	3 (3–4)**

Values are mean (SD), median (inter-quartile range)

** p < 0.001, *** p < 0.0001, Group SD vs Group S

S sufentanil group, SD sufentanil/dexmedetomidine group, VASR visual analogue scale at rest, VASS visual analogue scale on swallow