Table 3.
Development of variables for both instruments combined over the training course
| Test 1 | Test 2 | Test 3 | Test 4 | P-value | |
|---|---|---|---|---|---|
| Peg-transfer | |||||
| Motion volume both instruments [cm3] (IQR) | 1354 (106.3–1606) | 1255 (93–1471) | 1254 (92–1514) | 1344 (963 – 1531) | 0.37 |
| Relative time instruments out of view [%] (IQR) | 9.22 (2.78–9.33) | 7.71 (0.38–7.19) | 3.52 (0–3.36) | 4.51 (0–3.65) | 0.24 |
| Precision cut | |||||
| Motion volume both instruments [cm3] (IQR) | 2403 (125–263) | 1644 (1042–2219) | 1579 (954–2013) | 1422 (22–1781) | 0.011a |
| Relative time instruments out of view [%] (IQR) | 13.75 (5.73–21.17) | 14.43 (1.16–17.95) | 7.86 (0.88–10.67) | 10.87 (0.67–13.05) | 0.83 |
| Balloon resection | |||||
| Motion volume both instruments [cm3] (IQR) | 3228 (1973–3602) | 2303 (1417–2332) | 2166 (1343–2184) | 3054 (1345—2293) | 0.29 |
| Relative time instruments out of view [%] (IQR) | 10.65 (2.34–16.12) | 11.47 (9.19–15.06) | 10 (1.19–12.59) | 11.55 (2.25–12.71) | 0.71 |
| Laparoscopic suture and knot | |||||
| Motion volume both instruments [cm3] (IQR) | 2478 (1618–2727) | 3225 (1693–2391) | 2527 (1379–2428) | 2565 (1718—2567) | 0.83 |
| Relative time instruments out of view [%] (IQR) | 9.83 (3.53–11.18) | 6.31 (1.21–8.08) | 5.73 (1.29–8.66) | 5.44 (1.8–6.79) | 0.22 |
a Test 1 vs. Test 2 + 3 and Test 2 vs. Test 3 + 4 and Test 3 vs. Test 4 > 0.05