Skip to main content

Table 3 Comparison of VAS at different time points in the four groups (n = 30, \( \overline{x}\pm s \))

From: Effects of dexmedetomidine on intraoperative hemodynamics, recovery profile and postoperative pain in patients undergoing laparoscopic cholecystectomy: a randomized controlled trial

   NS group D1 group D2 group D3 group P-value
VAS t1 4.0 ± 1.4 3.3 ± 1.5 3.1 ± 1.2* 3.2 ± 1.0* 0.039
t2 4.7 ± 1.3 4.7 ± 1.6 3.5 ± 1.5*# 3.6 ± 1.2*# 0.000
t3 4.5 ± 1.3 4.2 ± 1.1 3.4 ± 1.5*# 3.5 ± 1.1*# 0.002
t4 4.3 ± 1.5 3.8 ± 1.0 3.1 ± 1.6*# 3.0 ± 1.1*# 0.000
t5 3.3 ± 1.2 3.2 ± 0.8 2.4 ± 1.3*# 2.4 ± 0.9*# 0.000
t6 2.5 ± 0.8 2.3 ± 0.8 1.7 ± 0.8*# 1.7 ± 0.7*# 0.000
  1. Data presented as mean ± SD
  2. VAS Visual Analogue Scale, t1 20min after operation, t2 2h after operation, t3 6h after operation, t4 12h after operation, t5 24h after operation, t6 48h after operation
  3. *p < 0.05 vs. NS group; # p < 0.05 vs. D1 group
Back to article page

BMC Anesthesiology

ISSN: 1471-2253

Contact us