All patients (n = 191) | Compliance group (n = 132) | Delayed group (n = 59) | P-value |
---|---|---|---|
Age, years | |||
  < 60 | 4 | 1 |  |
 60–70 | 26 | 6 |  |
 70–80 | 76 | 25 |  |
 80–90 | 26 | 27 |  |
 Average | 74.2 | 77.9 | < 0.001a |
Female, % | 83.3% | 88.1% | 0.393b |
Body mass index, kg/m2 | |||
  < 20 | 3 | 0 |  |
 20–25 | 38 | 20 |  |
 25–30 | 66 | 22 |  |
 30–35 | 22 | 13 |  |
  > 35 | 3 | 4 |  |
 Average | 27.1 | 27.7 | 0.706 c |
Living alone, % | 15.9% | 27.1% | 0.077b |
Knee Society score | |||
 Walking | 24.5 | 22.7 | 0.138 c |
 Stairs | 27.1 | 23.2 | 0.061 c |
 Walking aids used | 3.5 | 5.0 | 0.043 c |
 Total | 48.1 | 41.6 | 0.057 c |
ASA class | |||
 I | 11 | 2 |  |
 II | 119 | 51 |  |
 III | 2 | 6 |  |
 Average | 1.93 | 2.07 | 0.009 c |
Hemoglobin, g/dL | 13.1 | 12.6 | 0.014a |
Albumin, g/dL | 4.4 | 4.3 | 0.018a |
Mean range of motion | |||
 Extension | 12.7 | 12.3 | 0.704 c |
 Flexion | 113.4 | 114.5 | 0.964 c |
Mean K–L grade | 3.86 | 3.89 | 0.753 c |
Length of stay (days, excluding transferred cases) | 18.5 | 23.6 | < 0.001 c |
Transferred cases, number | 0 | 13 | Â |