Table 3 Regression coefficients of improvement in attentional performance in included studies using mixed-effects model
Continuous variable | N | Coefficient (95% CI) | P | |
|---|---|---|---|---|
Sex (percentage of female) | 14 | − 0.008 (− 0.01 to − 0.001) | 0.02 | |
Age | 14 | − 0.009 (− 0.028 to 0.01) | 0.39 | |
Treatment duration | 14 | 0.006 (− 0.02 to 0.03) | 0.67 | |
Intelligent quotient | 8 | 0.01 (− 0.05 to 0.08) | 0.68 | |
Percentage of medication | 13 | 0.003 (− 0.002 to 0.009) | 0.26 | |
Percentage of inattention subtype | 8 | 0.003 (− 0.01 to 0.02) | 0.67 | |
Percentage of combined subtype | 6 | − 0.005 (− 0.03 to 0.02) | 0.66 | |
Dropout rate | 9 | 0.01 (− 0.03 to 0.05) | 0.61 |