| Continuous Variables | POD1 (N=55) Mean (SD) | POD2 (N=34) Mean (SD) | All Subjects (N=89) Mean (SD) |
|---|---|---|---|
| Age | 68.6 (9.8) | 66.5 (9.2) | 67.8 (9.6) |
| BMI | 30.7 (7.2) | 32.5 (6.7) | 31.4 (7.0) |
| Categorical Variables | POD1 (N=55) N (%) | POD2 (N=34) N (%) | All Subjects (N=89) N (%) |
| Gender Femal eMale |
44 (80.0%) 11 (20.0%) |
25 (73.5%) 9 (26.5%) |
69 (77.5%) 20 (22.5%) |
| Race Caucasian Non-Caucasian |
46 (83.6%) 9 (16.4%) |
29 (85.3%) 5 (14.7%) |
75 (84.3%) 14 (15.7%) |
| Side of the operation Right Left |
34 (61.8%) 21 (38.2%) |
21 (61.8%) 13 (38.2%) |
55 (61.8%) 34 (38.2%) |
| Preoperative Ambulation Independent Ambulate with walking aid |
33 (60.0%) 22 (40.0%) |
24 (70.6%) 10 (29.4%) |
57 (64.0%) 32 (36.0%) |
| Charlson Comorbidity Index 0-1 ≥ 2 |
39 (70.9%) 16 (29.1%) |
24 (70.6%) 10 (29.4%) |
63 (70.8%) 26 (29.2%) |
| Preoperative Living Status Alone Not alone |
14 (25.5%) 41 (74.6%) |
11 (32.4%) 23 (67.6%) |
25 (28.1%) 64 (71.9%) |
| Preoperative Diagnosis Osteoarthritis Other |
52 (94.5%) 3 (5.5%) |
33 (97.1%) 1 (2.9%) |
85 (95.5%) 4 (4.5%) |
| Smoking Status Current Past Never |
5 (9.6%) 14 (26.9%) 33 (63.5%) |
0 (0.0%) 18 (54.5%) 15 (45.5%) |
5 (5.9%) 32 (37.6%) 48 (56.5%) |