Postoperative Etoricoxib versus Ketoprofen Administration for Pain Management after Total Knee Arthroplasty: A Randomized, Double-Blind Controlled Study

Table 2

Morphine consumption (mg).

Group	Mean (mg)	Std. deviation	Std. error	95% confidence interval for mean		Minimum	Maximum
				Lower bound	Upper bound
Morphine consumption on the day of surgery
Group E	27.00	14.26	1.92	30.63	38.34	7.50	72.00
Group K	35.02	13.85	1.87	31.27	38.76	12.00	88.50
Group P	40.15	11.76	1.59	36.97	43.33	15.00	88.00
Morphine consumption on postoperative day 1
Group E	13.58	9.14	1.23	11.11	16.05	0.0	34.5
Group K	22.73	11.28	1.51	19.69	25.76	6.0	59.5
Group P	30.94	13.16	1.77	27.40	34.51	11.0	92.0