| Age at time of THA, years (SD) |
35 (7.9) |
40.7 (4.3) |
37.3 (4.3) |
<0.001 |
| Months from THA to survey response, months (SD) |
36.5 (27.3) |
34.9 (11.7) |
39.5 (15.6) |
0.24 |
| BMI pre-operative, mean (SD) |
25.6 (5.9) |
25.4 (4.9) |
23.6 (2.0) |
|
| Race, n (%) |
|
|
|
0.35 |
| Caucasian
|
63 (81) |
69 (85) |
9 (90) |
|
| Hispanic, n (%) |
12 (16) |
6 (8) |
1 (10) |
0.29 |
| Education level, n (%) |
|
|
|
0.83 |
| High school
|
4 (6) |
4 (6) |
2 (20) |
|
| College graduate/advanced degree
|
50 (63) |
53 (65) |
5 (50) |
|
| Reason for THA surgery, n (%) |
|
|
|
0.17 |
| Inflammatory arthritis
|
24 (30) |
12 (15) |
4 (40) |
|
| Osteoarthritis
|
18 (23) |
24 (30) |
3 (30) |
|
| Fracture
|
4 (5) |
4 (5) |
1 (10) |
|
| Congenital hip dysplasia
|
21 (27) |
25 (31) |
2 (20) |
|
| Osteonecrosis
|
10 (13) |
16 (20) |
0 |
|
| Other
|
2 (2) |
0 |
0 |
|
| Primary THA, n (%) |
67 (85) |
77 (96) |
10 (100) |
0.31 |
| Deyo comorbidity |
|
|
|
0.69 |
| 0
|
61 (78) |
66 (84) |
5 (83) |
|
| >1
|
17 (22) |
13 (16) |
1 (17) |
|
| WOMAC pain |
|
|
|
|
| Pre-THA, mean (SD)
|
50.5 (20.2) |
50.4 (18.0) |
60.0 (15.8) |
0.61 |
| Post-THA, mean (SD)
|
85.2 (18.8) |
84.9 (15.8) |
92.5 (5.9) |
0.4 |
| WOMAC function |
|
|
|
|
| Pre-THA, mean (SD)
|
48.9 (20.3) |
51.7 (18.3) |
54.7 (15.8) |
0.63 |
| Post-THA, mean (SD)
|
87.6 (22.1) |
91.1 (15.3) |
93.5 (6.4) |
0.39 |
| Expectation score, mean (SD) |
81.1 (14.7) |
86.5 (12.9) |
86.8 (12.8) |
0.13 |
| Overall THA satisfaction |
|
|
|
0.62 |
| Very satisfied, n (%)
|
40 (87) |
70 (86) |
9 (90) |
|
| Very dissatisfied, n (%)
|
0 |
1 (1) |
0 |
|
| Improvement in Quality of Life post-THA |
|
|
|
0.68 |
| Great improvement, n (%)
|
42 (53.1) |
42 (51.2) |
6 (60) |
|
