Comparison 2. Planned subgroup analysis by time since stroke: acute or subacute versus chronic.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Functional communication at the end of intervention phase	2		Std. Mean Difference (IV, Random, 95% CI)	Subtotals only
1.1 All studies with people with aphasia in the acute/subacute phase	1	58	Std. Mean Difference (IV, Random, 95% CI)	0.08 [‐0.43, 0.60]
1.2 All studies with people with aphasia in the chronic phase	1	26	Std. Mean Difference (IV, Random, 95% CI)	0.45 [‐0.33, 1.23]