Table 3 Comparison of effective rate between morphine and the other two groups
Groups | Total number | Effective number | Effective rate (%) | χ 2 value | P value |
|---|---|---|---|---|---|
Morphine | 118 | 102 | 86.44 | ||
Methylprednisolone | 111 | 69 | 62.16 | 17.826 | 0.000* |
Aminophylline | 114 | 56 | 49.12 | 37.172 | 0.000* |