Table 3 Surgical details of CUHK-PWH registries until December 2020
From: Long-term survivorship and results in lower limb arthroplasty: a registry-based comparison study
|  | Knee (N = 879) | Hip (N = 2889) |
|---|---|---|
Tourniquet time (minutes) | ||
 Mean (SD) (Range) | 89.5 (23.3) (7–175) | - |
 Median (25th, 75th percentile) | 86 (72, 105) |  |
Surgical time (minutes) | ||
 Mean (SD) (Range) | 113.1 (33.5) (12–1052) | 131.1 (35.4) (20–300) |
 Median (25th, 75th percentile) | 110 (95, 130) | 125 (107, 150) |
Drain output (ml) | ||
 Mean (SD) (Range) | 682.1 (405.7) (0–4570) | 487.6 (320.0) (10–1815) |
 Median (25th, 75th percentile) | 640 (370, 920) | 440 (248, 670) |
Transamin use | ||
 Yes | 93.1% | 92.9% |
Haemoglobin drop (g/dL) | ||
 Mean (SD) (Range) | 3.4 (1.4) (0–10) | 3.9 (1.6) (0–24) |
 Median (25th, 75th percentile) | 3.3 (2.4, 4.3) | 3.8 (2.9, 4.8) |
Duration of hospital stay (days) | ||
 Mean (SD) (Range) | 10.4 (8.5) (2–207) | 13.3 (12.6) (2–249) |
 Median (25th, 75th percentile) | 9 (7, 12) | 11 (8, 15) |
Discharge destination | ||
 Back home | 59.6% | 26.2% |
 Old age home | 39.5% | 0% |
 Convalescent | 0.9% | 73.8% |