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冷冻治疗后症状缓解情况
Extend of the clinical symptoms alleviation after endobronchial cryosurgery
| Symptoms | Before treatment | After treatment | Ratio of effectivenes | ||
| Dramatically improved | Improved | No effect | |||
| Dyspnea | 114 | 61 | 30 | 23 | 79.8% |
| Cough | 108 | 50 | 32 | 26 | 75.9% |
| Hemoptosis | 73 | 17 | 10 | 46 | 37.0% |
| Fever | 36 | 17 | 6 | 13 | 63.9% |
| Chest pain | 82 | 21 | 32 | 29 | 64.6% |
