4.
治疗前后两组PSI-SF总分及3个维度分数的差值结果比较 [M（P25，P75）]
| 组别 | 例数 | 总分 | 育儿愁苦 | 亲子互动失调 | 困难儿童 |
| ESDM组 | 33 | 12(6, 16) | 3(2, 7) | 4(2, 8) | 3(2, 6) |
| 家长培训组 | 33 | 20(14, 27) | 6(5, 14) | 8(3, 10) | 8(3, 12) |
| Z值 | -3.414 | -2.322 | -1.462 | -2.357 | |
| P值 | 0.001 | 0.020 | 0.144 | 0.018 |
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