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Operating time analysis results (PPS)
| Index | Experimental group | Control group | Statistics | P value |
| Operation time (min) | ||||
| Number of cases (number of missing) | 128 (0) | 129 (0) | t=0.17 | 0.8646 |
| Mean±SD | 47.94±27.49 | 48.5±25.68 | ||
| Median | 45.00 | 45.00 | ||
| Q1, Q3 | 28.50, 60.50 | 30.00, 64.00 | ||
| Min, max | 7.00, 173.00 | 5.00, 138.00 |
PPS, per-protocol set.
