Table 3.

Speech and language data for each visit. Note: Maximum score noted in row header, when applicable; aphasia severity rating, where 1 = mild and 4 = severe; WAB-AQ = Western Aphasia Battery- Revised Aphasia Quotient; WAB Recognition = Recognition section of the Auditory Verbal Comprehension subtest of the WAB; PPTT = Pyramids and Palm Trees Test; BNT = Boston Naming Test, short form; NVOA = Non-verbal oral apraxia; MSD = Motor Speech Disorders Severity Rating; ASRS= Apraxia of Speech Rating Scale; AES = Articulatory Error Score; AOS = Apraxia of Speech, severity rating, where 1 = mild and 4 = severe; DNT = did not test; CND = could not determine, although test was attempted.

	Visit 1	Visit 2	Visit 3	Visit 4	Visit 5
Diagnosis	PPA-U	Agrammatic aphasia with AOS	Agrammatic aphasia with AOS and prominent auditory deficit	Agrammatic aphasia with AOS and prominent auditory deficit	Agrammatic aphasia with AOS and prominent auditory deficit
Aphasia severity (/4)	2	3	3	3	4
WAB-AQ (/100)	72.4	59	58.6	CND	14.8
WAB Word Recognition (auditory)	57/60	57/60	4/12	4/60	0/18
WAB Word Recognition (written)	DNT	DNT	48/48	58/60	DNT
WAB Reading comprehension (/40)	40	28	20	DNT	10
WAB Reading commands (/20)	15	14	9	6/10	1
WAB Writing output (/34)	34	25.5	26	DNT	10
WAB Reading Irregular words (/10)	4	2	0	DNT	DNT
WAB Reading non-words (/10)	6	6	0	DNT	DNT
WAB Writing Irregular words (/10)	7	8	2	DNT	DNT
WAB Writing non-words (/10)	2	3	3	DNT	DNT
Token Test (/22)	4	1	DNT	CND	DNT
PPTT (/52)	51	50	50	DNT	DNT
BNT (/15)	11	10	9	5	2
NVOA (132)	29	15	4	DNT	0
MSD (/10)	10	5	3	1	1
ASRS (/52)	13	15	17	DNT	DNT
AES Total	70.8	78.8	100	DNT	DNT
AOS severity (/4)	0	2	2	2	4