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Comparison of clinical efficacy between the two groups [example (%)]
| Group | Sample | Apparent | effective | ineffective | total efficiency | Bile duct patency time |
|---|---|---|---|---|---|---|
| Control group | 132 | 32 (24.24) | 37 (28.03) | 63 (47.73) | 69 (52.27) | 39 ~ 490 (132.5) |
| Observation group | 49 | 16 (32.65) | 25 (51.02) | 8 (16.33) | 41 (83.67) | 20 ~ 153 (79) |
| X2 | 181.000 | |||||
| P | < 0.001 | |||||
