Skip to main content

Table 3 Incidence of postoperative pain, defined as a VAS score ≥ 3 and analgesic administration in the study groups

From: Comparison of dexmedetomidine vs. remifentanil combined with sevoflurane during radiofrequency ablation of hepatocellular carcinoma: a randomized controlled trial

Parameter

Remifentanil (n = 47)

Dexmedetomidine (n = 47)

P

VAS score

 At the end of surgery

1 (0, 3)

0 (0, 2)

0.095

 8 h after surgery

2 (0, 3)

1 (0, 3)

0.637

 24 h after surgery

1 (0, 3)

0 (0, 2)

0.785

 48 h after surgery

0 (0, 1)

0 (0, 2)

0.261

Patients with VAS score ≥ 3

 At the end of surgery

13 (27.66)

7 (14.89)

0.207

 8 h after surgery

19 (40.43)

15 (31.91)

0.520

 24 h after surgery

12 (25.53)

8 (17.02)

0.450

 48 h after surgery

4 (8.51)*

9 (19.15)

0.231

Patients requiring analgesic administration

 Within 8 h after surgery

24 (51.06)

17 (36.17)

0.212

 Within 72 h after surgery

30 (63.83)

24 (51.06)

0.297

Patients who required analgesics or had a VAS score ≥ 3 after transfer out of the PACU

26 (55.32)

22 (46.81)

0.536

  1. Values expressed as median (25% percentile, 75% percentile), or number (percentages)
  2. PACU post-anesthesia care unit, VAS visual analog scale
  3. *P < 0.05 vs. patients with VAS score ≥ 3 at the end of surgery