Table 2 Operative time for 3 surgeons
From: Learning curve analysis of robotic-assisted total knee arthroplasty with a Chinese surgical system
Time (min) | Surgeon 1 | Surgeon 2 | Surgeon 3 | P value |
|---|---|---|---|---|
Total operative time (test) | 111.00 (20.73) | 113.43 (20.98) | 113.57 (17.50) | 0.853 |
Total operative time (control) | 84.50 (15.92) | 96.93 (23.31) | 86.40 (14.36) | 0.021 |
Last 10 cases total operative time (test) | 96.40 (17.04) | 93.7 (12.83) | 105.9 (12.95) | 0.158 |
Installation of the positioning frame | 6.12 (2.34) | 6.27 (2.57) | 6.54 (2.94) | 0.819 |
Bone registration | 7.08 (2.01) | 6.91 (2.20) | 6.80 (2.43) | 0.881 |
Bone cutting | 5.70 (2.58) | 8.36 (2.30) | 10.15 (2.52) | < 0.001 |
Total robot time | 18.9 (3.56) | 21.54 (4.31) | 23.49 (4.82) | < 0.001 |