Table 2.

Effectiveness and health outcomes for both randomised groups after 4 and 12 weeks ($\overline{x}\pm s$)

Outcomes	Intervention group, n=108	Control group, n=95	Difference mean* (95% Cl)	P valve	Group P valve	Interaction P valve
BDAE
Baseline	1.78±0.95	1.44±0.68	─		<0.001	<0.001
End of 4 weeks	2.55±1.08	1.74±0.79	0.47 (0.31 to 0.64)
End of 12 weeks	2.96±1.23	1.98±0.96	0.65 (0.43 to 0.86)
CRRCAE
Baseline	286.27±239.64	104.86±120.87	─	─	<0.001	<0.001
End of 4 weeks	459.53±272.90	173.34±159.64	118.00 (101.61 to 134.39)	<0.001
End of 12 weeks	517.04±269.54	239.03±175.31	182.47 (166.17 to 198.76)	<0.001
QALYs
Baseline	0.53±0.10	0.51±0.09	─	─	<0.001	<0.001
End of 4 weeks	0.60±0.10	0.52±0.09	0.04 (0.03 to 0.05)	<0.001
End of 12 weeks	0.62±0.10	0.55±0.10	0.07 (0.06 to 0.08)	<0.001

*Adjusted for baseline variables.

BDAE, Boston Diagnostic Aphasia Examination; CRRCAE, Chinese Rehabilitation Research Center Standard Aphasia Examination; QALYs, quality-adjusted life-years.;