Table 1.
Patient demographics for all Op-Walk patients
| Demographic | Overall (n = 97) | Highest (best) tertile (n = 33) | Medium tertile (n = 32) | Lowest (worst) tertile (n = 32) |
|---|---|---|---|---|
| Female sex | 79 (81.4) | 21 (63.6) | 28 (87.5) | 30 (93.8) |
| Age, n; mean (s.d.), years | 97; 60.9 (11.8) | 33; 62.0 (8.8) | 32; 58.0 (13.4) | 32; 62.8 (12.6) |
| Education, completed secondary school or higher | 24 (25.3) | 11 (33.3) | 8 (25.8) | 5 (16.1) |
| Currently working | 19 (19.6) | 12 (36.4) | 5 (15.6) | 2 (6.3) |
| Living with friends or family members | 89 (92.7) | 29 (87.9) | 31 (100.0) | 29 (90.6) |
| ASA, n; mean (s.d.) | 90; 2.2 (0.5) | 30; 2.1 (0.5) | 29; 2.1 (0.5) | 31; 2.2 (0.4) |
| BMI, n; mean (s.d.) | 79; 28.9 (5.7) | 28; 28.6 (5.6) | 24; 29.2 (6.3) | 27; 29.0 (5.4) |
| BMI > 35 | 10 (12.7) | 4 (14.3) | 2 (8.3) | 4 (14.8) |
| Health ≥ good | 47 (50.5) | 17 (54.8) | 15 (50.0) | 15 (46.9) |
| Surgery > 90% chance of relieving pain | 72 (76.6) | 23 (71.9) | 22 (71.0) | 27 (87.1) |
| Chance of major surgical complication <1% | 54 (58.7) | 15 (48.4) | 16 (53.3) | 23 (74.2) |
| Procedure, knee | 70 (72.9) | 24 (72.7) | 20 (62.5) | 26 (83.9) |
| Procedure, hip | 26 (27.1) | 9 (27.3) | 12 (37.5) | 5 (16.1) |
| Procedure, unilateral | 59 (61.5) | 28 (84.8) | 18 (56.3) | 13 (41.9) |
| Procedure, bilateral | 37 (38.5) | 5 (15.2) | 14 (43.8) | 18 (58.1) |
Data are n (%) unless stated otherwise.