UKA TKA
mUKA (n=6) rUKA (n=29) |d| mTKA (n=58) rTKA (n=85) |d|
Sex, n (%)
Female 2 (33) 16 (55) 0.45 31 (53) 44 (52) 0.03
Male 4 (67) 13 (45) 27 (47) 41 (4)
Age at surgery (y)
Mean (SD) 56 (5) 60 (9) 0.55 66 (10) 62 (9) 0.42
Range (49, 61) (48, 80) (44, 88) (43, 81)
Race, n (%)
White 6 (100) 29 (10) 0.00 58 (100) 83 (98) 0.22
Asian 0 (0 ) 0 (0 ) 0.00 0 (0 ) 1 (1 ) 0.15
Black or African American 0 (0 ) 0 (0 ) 0.00 0 (0 ) 1 (1 ) 0.15
Hispanic or Latino, n (%) 0.00
Yes 0 (0) 0 (0) 0.00 1 (2) 0 (0) 0.19
No 6 (100) 29 (100) 57 (98) 85 (100)
ASA score, n (%)
1 0 (0) 1 (3) 0.27 1 (2) 1 (1) 0.05
2 1 (17) 12 (41) 0.57 39 (67) 48 (56) 0.22
3 5 (83) 16 (55) 0.64 17 (29) 35 (41) 0.25
4 0 (0) 0 (0) 0.00 1 (2) 1 (1) 0.05
Surgeon, n (%)
A 0 (0) 5 (17) 0.65 0 (0) 10 (12) 0.52
B 3 (50) 7 (24) 0.56 22 (38) 34 (40) 0.04
C 2 (33) 6 (21) 0.29 22 (38) 21 (25) 0.29
D 1 (17) 11 (38) 0.49 14 (24) 20 (24) 0.01
Laterality, n (%)
Left 2 (33) 17 (59) 0.52 31 (53) 30 (35) 0.37
Right 4 (67) 12 (41) 27 (47) 55 (65)
Hospital, n (%)
GSACH 3 (50) 12 (41) 0.17 22 (38) 44 (52) 0.28
GWV 3 (50) 17 (59) 36 (62) 41 (48)
Setting, n (%)
Inpatient 2 (33) 4 (14) 0.47 52 (90) 49 (58) 0.78
Outpatient 4 (67) 25 (86) 6 (10) 36 (42)
Charlson Comorbidity Index, mean (SD) 1.7 (1.0) 2.0 (1.5) 0.59 3.1 (1.7) 2.8 (1.6) 0.18
BMI category, n (%)
<30 0 (0) 10 (34) 1.03 23 (40) 32 (38) 0.04
≥30 6 (100) 19 (66) 35 (60) 53 (62)