TABLE 3.

Independent Predictors of Improvement in PROMIS Physical Function Scores^a

	Beta Estimateb	SE	P Value
Preoperative PROMIS score
Physical function	-1.26	0.20	<.001
Pain interference	-0.67	0.20	.002
Depression	0.08	0.12	.549
Age, y	-0.10	0.10	.309
BMI, kg/m2	-0.58	0.22	.013
Meniscal pathology
Yes	-1.94	2.19	.377
No	Reference
Race
White	-0.88	2.67	.743
Black	-1.04	3.56	.771
Asian	-0.26	4.41	.954
Other/Unknown	Reference
Sex
Male	0.37	2.11	.860
Female	Reference
Smoking status
Never	1.73	5.20	.740
Current	6.34	8.51	.458
Former	0.54	6.09	.930
Unknown	Reference

^aBMI, body mass index; PROMIS, Patient-Reported Outcomes Measurement Information System. Bolded values indicate statistical significance at P < .05.

^bBeta estimate values denote the change in PROMIS physical function improvement for every 1-unit increase in the independent variable.