Table 3 Comparison of surgical data
|  | 3D preoperative planning group (n = 104) | Robotics group (n = 52) | P value |
|---|---|---|---|
Operation time (min) | 92.2 ± 16.4 | 130.1 ± 26.9 | < 0.001 |
Tourniquet time (min) | 56.6 ± 13.5 | 96.1 ± 15.1 | < 0.001 |
Length of hospital stay (day) | 8.3 ± 1.5 | 8.5 ± 3.2 | 0.532 |
Hb loss 1 day (g/L) | 19.5 ± 9.7 | 9.6 ± 9.1 | < 0.001 |
Hb loss 3 days (g/L) | 35.6 ± 13.9 | 22.9 ± 13.6 | < 0.001 |