7. Cognitive functioning: 2.9 Average speed of processing score (SMD, negative favours NRI) ‐ short‐term (2‐12wks) ‐ Subgroup and sensitivity analysis.

Subgroup or sensitivity analysis (see text for details)	Number of trials	N	Mean difference	95% Confidence interval	I²
Overall outcome	4	177	0.08	‐0.21 to 0.38	0%
Atomoxetine	3	144	0.04	‐0.29 to 0.37	0%
Fixed‐effect model	4	177	0.08	‐0.21 to 0.38	0%
Low risk of randomisation bias	2	53	0.13	‐0.41 to 0.68	0%
Excluding high risk of attrition and other bias	2	48	0.23	‐0.34 to 0.80	0%
Excluding high risk of reporting bias	3	68	0.13	‐0.34 to 0.61	0%