Table 2.

Descriptive Statistics by PASS Status Reported as Mean (SD) or n (%).

	All	Global			Pain			Function
Variable	(N=159)	PASS+ (N=95)	PASS- (N=64)	P-value	PASS+ (N=93)	PASS- (N=66)	P-value	PASS+ (N=83)	PASS- (N=75)	P-value
Age	50 (15)	52 (16)	48 (13)	0.12t	53 (15)	46 (14)	0.001 t	53 (16)	47 (14)	0.017 t
Bicondylar	73 (46%)	39 (41%)	34 (53%)	0.15f	35 (38%)	38 (58%)	0.016 f	30 (36%)	43 (57%)	0.01 f
Schatzker Classification
I	8 (5.1%)	4 (4%)	4 (6%)	0.06f	5 (5%)	3 (5%)	0.029 f	4 (5%)	4 (5%)	0.009 f
II	58 (37%)	41 (44%)	17 (27%)	-	42 (46%)	16 (24%)	-	39 (48%)	18 (24%)	-
III	11 (7%)	9 (10%)	2 (3%)	-	7 (8%)	4 (6%)	-	7 (9%)	4 (5%)	-
IV	21 (13%)	12 (13%)	9 (14%)	-	12 (13%)	9 (14%)	-	11 (14%)	10 (13%)	-
V	8 (5.1%)	3 (3%)	5 (8%)	-	2 (2%)	6 (9%)	-	2 (2%)	6 (8%)	-
VI	51 (32%)	24 (26%)	27 (42%)	-	23 (25%)	28 (42%)	-	18 (22%)	33 (44%)	-
Primary Column
Lateral	98 (62%)	67 (71%)	31 (48%)	0.045 f	64 (69%)	34 (52%)	0.07f	60 (72%)	37 (49%)	0.017 f
Medial	22 (14%)	10 (11%)	12 (19%)	-	12 (13%)	10 (15%)	-	9 (11%)	13 (17%)	-
Posterior	10 (6%)	5 (5%)	5 (8%)	-	6 (6%)	4 (6%)	-	5 (6%)	5 (7%)	-
Medial + Lateral	29 (18%)	13 (14%)	16 (25%)	-	11 (12%)	18 (27%)	-	9 (11%)	20 (27%)	-
Surgical Approach
Lateral	81 (51%)	57 (60%)	24 (38%)	0.024 f	57 (61%)	24 (36%)	0.023 f	53 (64%)	27 (36%)	0.007 f
Medial	15 (9%)	5 (5%)	10 (16%)	-	8 (9%)	7 (11%)	-	6 (7%)	9 (12%)	-
Medial + Lateral	52 (33%)	27 (28%)	25 (39%)	-	24 (26%)	28 (42%)	-	19 (23%)	33 (44%)	-
Posterior	8 (5%)	5 (5%)	3 (5%)	-	3 (3%)	5 (8%)	-	4 (5%)	4 (5%)	-
Other	3 (2%)	1 (1%)	2 (3%)	-	1 (1%)	2 (3%)	-	1 (1%)	2 (3%)	-
Post-op Infection	13 (9%)	4 (4%)	9 (15%)	0.035 f	4 (4%)	9 (14%)	0.042 f	4 (5%)	9 (12%)	0.15f

^tT-test

^fFisher’s exact test

^wWilcoxon rank sum test.