维生素D联合DHA补充干预学龄前注意缺陷多动障碍的疗效研究
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张玥, 张丽珊, 丁肖媛, 沈植旻, 卞邹吉, 余晓丹
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Therapeutic effect of combined vitamin D and DHA supplementation on preschool children with attention deficit hyperactivity disorder
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ZHANG Yue, ZHANG Lishan, DING Xiaoyuan, SHEN Zhimin, BIAN Zouji, YU Xiaodan
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表1 2组患儿干预前一般情况及血清25（OH）D和DHA水平比较
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Tab 1 Comparison of baseline characteristics and serum 25（OH）D and DHA levels between the two groups
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| Item | Total (n=82) | Nutrition intervention group (n=64) | Control group (n=18) | t /χ2 value | P value |
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| Gender/n (%) | | | | 0.46 | 0.527 | | Male | 64 (78.05) | 51 (79.69) | 13 (72.22) | | | | Female | 18 (21.95) | 13 (20.31) | 5 (27.78) | | | | Age/year | 5.23±0.81 | 5.25±0.75 | 5.17±0.96 | 0.30 | 0.768 | | IQ/score | 119.56±13.80 | 120.81±14.87 | 116.75±11.10 | 0.85 | 0.403 | | Maternal age/year | 33.00±3.33 | 33.05±3.47 | 32.93±3.26 | 0.10 | 0.920 | | Paternal age/year | 34.29±3.76 | 34.60±3.26 | 33.87±3.72 | 0.57 | 0.576 | | Maternal education level/n (%) | | | | 1.29 | 0.525 | | High school degree | 9 (10.98) | 6 (9.38) | 3 (16.67) | | | | College degree | 45 (54.88) | 37 (57.81) | 8 (44.44) | | | | Bachelor degree or above | 28 (34.14) | 21 (32.81) | 7 (38.89) | | | | Paternal education level/n (%) | | | | 0.51 | 0.776 | | High school degree | 5 (6.10) | 4 (6.25) | 1 (5.56) | | | | College degree | 42 (51.22) | 34 (53.13) | 8 (44.44) | | | | Bachelor degree or above | 35 (42.68) | 26 (40.62) | 9 (50.00) | | | | Annual household income/n (%) | | | | 1.06 | 0.588 | | <300 000 yuan | 10 (12.19) | 9 (14.06) | 1 (5.56) | | | | 300 000‒500 000 yuan | 65 (79.27) | 50 (78.13) | 15 (83.33) | | | | >500 000 yuan | 7 (8.54) | 5 (7.81) | 2 (11.11) | | | | 25(OH)D/(ng·mL-1) | 26.73±4.93 | 24.42±3.46 | 27.97±5.88 | -0.16 | 0.874 | | Vitamin D status/n (%) | | | | 0.50 | 0.779 | | Deficiency | 6 (7.32) | 4 (6.25) | 2 (11.11) | | | | Insufficient | 53 (64.63) | 42 (65.63) | 11 (61.11) | | | | Sufficient | 23 (28.05) | 18 (28.12) | 5 (27.78) | | | | DHA/(nmol·mL-1) | 159.83±45.89 | 156.54±42.37 | 173.47±85.64 | -1.62 | 0.114 |
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