Table 2 Comparison of performances of Groups A, B and C in the initial evaluation
Group A | Group B | Group C | p value (B vs C) | p value (A vs B vs C) | |
|---|---|---|---|---|---|
No experience (n = 8) | Moderate experience (n = 17) | Extensive experience (n = 9) | |||
Visualization score (median [IQR]) | 25 [6] | 27 [1] | 28 [3] | 0.545 | 0.147 |
Identification score (median [IQR]) | 8 [11] | 24 [8] | 20[9] | 0.144 | 0.001 |
Total procedure time in seconds (median [IQR]) | 561 [134] | 198 [112] | 210 [77] | 0.872 | < 10−4 |
Overall performance score (%) (median [IQR]) | 5.9 [5.1] | 25.3 [13.8] | 22.2 [5.5] | 0.5 | < 10−4 |
Scope-wall contact time (%) (median [IQR]) | 60.5 [18] | 62 [8] | 63 [21] | 0.871 | 0.934 |
Scope at mid-lumen time (%) (median [IQR]) | 12.5 [6] | 11 [3] | 12 [6] | 0.551 | 0.687 |