Table IV.

VAS score among the four groups (mean ± standard deviation).

Groups	n	30 min	3 h	6 h	24 h
F	25	2.25±0.63a,b	2.73±0.66a,b	2.39±0.50a,b	1.27±0.54a
D	25	1.88±0.50a,b	2.39±0.59a,b	2.01±0.56a,b	1.03±0.47a
DF	25	1.03±0.71a	1.58±0.62a	1.27±0.61a	0.89±0.58a
C	25	3.49±0.64	4.77±0.75	3.73±0.68	2.31±0.73

Compared with Group C

^aP<0.01; compared with Group DF

^bP<0.01. VAS, visual analog scale; F, flurbiprofen axetil; D, dexmedetomidine; DF, dexmedetomidine combined with flurbiprofen axetil; C, saline control.