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Table 1.

Average percentage of the Language Use Questionnaire metrics for bilingual patients with aphasia and healthy bilinguals.

Group		Pre-ABI LAR		Post-ABI LAR		Pre-ABI language use		Post-ABI language use		Lifetime exposure		Lifetime confidence		Family proficiency		Educational history
Group		L1	L2	L1	L2	L1	L2	L1	L2	L1	L2	L1	L2	L1	L2	L1	L2
BPWA	n	32	32	30	30	34	34	32	32	34	34	34	34	34	34	34	34
	Mean (%)	93.5	81.6	59.5	49.7	51.6	48.4	65.0	35.1	57.6	42.4	91.7	61.7	94.5	58.6	72.2	27.8
	SD	11.3	17.2	21.3	20.2	30.0	30.0	27.0	27.0	20.4	20.4	13.6	23.4	12.3	32.6	26.9	26.9
HB	n	22	22	N/A	N/A	22	22	N/A	N/A	22	22	22	22	21	21	22	22
	Mean (%)	98.0	83.1	N/A	N/A	45.5	54.5	N/A	N/A	66.6	33.4	97.6	49.5	96.9	43.7	81.5	18.5
	SD	5.9	16.4	N/A	N/A	33.4	33.4	N/A	N/A	18.8	18.8	5.5	27.5	12.7	25.8	25.2	25.2
p value		0.091	0.742	N/A	N/A	0.292	0.291	N/A	N/A	0.104	0.104	0.059	0.086	0.509	0.085	0.207	0.085

Group		Pre-ABI LAR		Post-ABI LAR		Pre-ABI language use		Post-ABI language use		Lifetime exposure		Lifetime confidence		Family proficiency		Educational history
Group		L1	L2	L1	L2	L1	L2	L1	L2	L1	L2	L1	L2	L1	L2	L1	L2
BPWA	n	32	32	30	30	34	34	32	32	34	34	34	34	34	34	34	34
	Mean (%)	93.5	81.6	59.5	49.7	51.6	48.4	65.0	35.1	57.6	42.4	91.7	61.7	94.5	58.6	72.2	27.8
	SD	11.3	17.2	21.3	20.2	30.0	30.0	27.0	27.0	20.4	20.4	13.6	23.4	12.3	32.6	26.9	26.9
HB	n	22	22	N/A	N/A	22	22	N/A	N/A	22	22	22	22	21	21	22	22
	Mean (%)	98.0	83.1	N/A	N/A	45.5	54.5	N/A	N/A	66.6	33.4	97.6	49.5	96.9	43.7	81.5	18.5
	SD	5.9	16.4	N/A	N/A	33.4	33.4	N/A	N/A	18.8	18.8	5.5	27.5	12.7	25.8	25.2	25.2
p value		0.091	0.742	N/A	N/A	0.292	0.291	N/A	N/A	0.104	0.104	0.059	0.086	0.509	0.085	0.207	0.085

Note. LAR = language ability rating; BPWA = bilingual patients with aphasia; HB = healthy bilingual; ABI = acquired brain injury; N/A = no data available.

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