Table 3. Adjunctive analgesic utilization during 24-hour post-operative period, n/N (%).

Adjunctive analgesic	IV APAPa (n = 88)	Not given IV APAP (n = 88)	P
Oral acetaminophen	57 (64.8)	58 (65.9)	1
Hip	25/51 (49)	24/38 (63.2)	.203
Knee	32/37 (86.5)	34/50 (68)	.075
Celecoxib	34 (38.6)	44 (50)	.172
Hip	11/51 (21.6)	12/38 (31.6)	.333
Knee	23/37 (62.2)	32/50 (64)	1
Bupivacaine	20 (22.7)	31 (35.2)	.096
Hip	17/51 (33.3)	25/38 (65.8)	.003
Knee	3/37 (8.1)	6/50 (12)	.727
Ropivacaine	32 (36.4)	42 (47.7)	.169
Hip	0/51 (0)	2/38 (5.3)	.18
Knee	32/37 (86.5)	40/50 (80)	.569
Gabapentin or pregabalin	26 (29.5)	47 (53.4)	.002
Hip	8/51 (15.7)	12/38 (31.6)	.122
Knee	18/37 (48.6)	35/50 (70)	.049
NSAIDs (oral or IV)	3 (3.4)	4 (4.5)	1
Hip	3/51 (5.9)	2/38 (5.3)	1
Knee	0/37 (0)	2/50 (4)	.501
Tramadol	2 (2.2)	2 (2.2)	1
Hip	1/51 (2)	0/38 (0)	1
Knee	1/37 (2.7)	2/50 (4)	1

Note: APAP = acetaminophen; IV = intravenous; NSAIDs = nonsteroidal anti-inflammatory drugs (nonselective agents only).