Table I.

Patient demographics and selected baseline characteristics.^*

Characteristic	IV opioid PCA regimen (n = 56)	Liposome bupivacaine-based multimodal regimen (n = 26)
Age, y	59 (15)	55 (10)
Sex
Male	28 (50)	12 (46)
Female	28 (50)	14 (54)
Race
White	45 (80)	23 (89)
Black	7 (13)	2 (8)
Asian	1 (2)	1 (4)
Other	3 (5)	0
Body mass index	28.9 (7.0)	26.6 (5.4)
ASA physical status classification
1	1 (2)	0
2	27 (48)	19 (73)
3	26 (46)	7 (27)
4	2 (4)	0

ASA = American Society of Anesthesiologists; IV = intravenous; PCA = patient-controlled analgesia.

^⁎Values for age and body mass index are given as mean (SD). Values for sex, race, and ASA physical status classification are given as n (%).