Table 4. Differences in outcomes between M-loop group and non-traction group.
M-loop (n = 50) | Non-traction (n = 115) | P value | ||
Total procedure time, min | Mean ± SE | 69.2 ± 4.9 | 64.5 ± 3.4 | 0.314 |
Median | 57 | 56 | ||
Submucosal dissection time, min | Mean ± SE | 42.1 ± 4.2 | 51.9 ± 3.3 | 0.098 |
Median | 32 | 45 | ||
Submucosal dissection speed, mm 2 /min | Mean ± SE | 28.0 ± 2.9 | 19.9 ± 2.0 | 0.001 |
Median | 21.4 | 15.7 | ||
R0 resection, n (%) | 50 (100 %) | 115 (100 %) | N/A | |
Curative resection, n (%) | 48 (96 %) | 106 (92 %) | 0.348 | |
Perforation, n (%) | 2 (4 %) | 6 (5.2 %) | 1.000 | |
Delayed bleeding, n (%) | 0 (0 %) | 2 (1.7 %) | 1.000 | |
Undesired outcome, n (%) | 3 (6.0 %) | 19 (16.5 %) | 0.083 |