组别 | n | 显效 | 有效 | 无效 | 总有效率 |
研究组 | 30 | 16 (53.33%) | 12 (40%) | 2 (6.67%) | 28 (93.33%) |
对照组 | 30 | 3 (10%) | 14 (46.67%) | 13 (43.33%) | 17 (56.67%) |