表 1.
2组疗效比较 例(%)
| 组别 | 例数 | 显效 | 有效 | 无效 | 有效率/% |
| 研究组 | 48 | 31(64.58) | 15(31.25) | 2(4.17) | 46(95.83) |
| 对照组 | 48 | 24(50.00) | 16(33.33) | 8(16.67) | 40(83.33) |
| χ 2 | 4.696 | ||||
| P | 0.030 |
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