Comparison 4. Post‐hoc subgroup analysis: subtype of aphasia (fluent, non‐fluent or mixed populations).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Language impairment: accuracy of naming nouns post intervention	11	298	Std. Mean Difference (IV, Random, 95% CI)	0.42 [0.19, 0.66]
1.1 non‐fluent aphasia	4	44	Std. Mean Difference (IV, Random, 95% CI)	0.18 [‐0.50, 0.87]
1.2 mixed populations	7	254	Std. Mean Difference (IV, Random, 95% CI)	0.46 [0.20, 0.71]