Smoking cessation prior to elective total joint arthroplasty results in sustained abstinence postoperatively

Table 1 Basic demographics, n (%)

Parameter	Overall cohort	Relapsed postop	Abstinent postop	P value
Number of patients	37	21	16
Total knee replacement	17 (45.9)	12 (57.1)	5 (31.2)	0.22
Average age in yr (SD)	60.62 (11.90)	62.76 (12.32)	57.81 (11.08)	0.22
Male	15 (40.5)	9 (42.9)	6 (37.5)	1.00
Race				0.62
African American	10 (27.0)	5 (23.8)	5 (31.2)
Caucasian	26 (70.3)	15 (71.4)	11 (68.8)
Other	1 (2.7)	1 (4.8)	0 (0.0)
Marital status				0.36
Divorced	6 (16.2)	5 (23.8)	1 (6.2)
Married	21 (56.8)	10 (47.6)	11 (68.8)
Single	9 (24.3)	5 (23.8)	4 (25.0)
Widowed	1 (2.7)	1 (4.8)	0 (0.0)
Average BMI (SD)	29.96 (6.86)	30.53 (6.75)	29.20 (7.17)	0.58
Average ASA (SD)	2.43 (0.55)	2.52 (0.60)	2.31 (0.48)	0.26
Hospital LOS in d (SD)	2.76 (1.92)	2.90 (2.21)	2.56 (1.50)	0.6
Follow up mean (SD)	2.85 (1.93)	2.65 (2.20)	3.11 (1.53)	0.48

ASA: American Society of Anesthesiologist; BMI: Body mass index; LOS: Length of stay.