Table 3. Post-operative Pain Profile of the Dexamethasone Plus Hyper-hydration Group (Group DF) and Dexamethasone Group (Group D).

Variable	Group DF (n = 50)	Group D (n = 50)	P value	95% CI of the difference
				Lower	Upper
Overall 24 h VAS score	1.1 (0.4)	1.8 (0.5)	< 0.001
Time to first analgesia request (min)	82.50 (19.76)	68.54 (54)	< 0.001	7.92	19.99
Mean meperidine requirement during 24 h (mg)	84.70 (13.60)	95.01 (17.92)	0.002	−16.61	−3.98

Data are shown as mean (SD). VAS: visual analogue scale. P < 0.05 was considered significant.