Table 1.

Accuracy Rates as a Function of Lexical Variables

Pattern 1: Impaired access to lexical representations with reliance on intact sublexical phonology-to-orthography conversion (POC)
Patient (PPA Variant)	Words vs Pseudowords	High Prob vs Low Proba	Concrete vs. Abstract	4-letter vs. 8-letter
BNR (LPA)	56.0 vs. 61.8%; ns	83.3 vs. 51.3%; p<0.005	66.7 vs. 42.9%; ns	57.1 vs. 42.9%; ns
JRH (LPA)	63.1 vs 91.2%; p<0.005	93.3 vs. 63.8%; p<0.005	52.4 vs. 57.1%; ns	64.3 vs. 42.9%; ns
LLD (LPA)	76.2 vs 88.2%; ns	83.3 vs. 71.3%; ns	71.4 vs. 81.0%; ns	64.3 vs. 85.7%; ns
RPN (LPA)	56.0 vs 91.2%; p<0.001	83.3 vs. 70%; ns	47.6 vs. 38.1%; ns	DNCb
RLP (SD)	9.5 vs 38.2%; p<0.001	10 vs. 10%; ns	0 vs. 14%; ns	0 vs. 0%; ns
RMR (SD)	73.8 vs. 58.8%; ns	100 vs. 82.5%; p<0.015	76.2 vs. 52.4%; ns	78.6 vs. 42.9%; p<0.04
JAN (UN)c	70.2 vs. DNC	DNC	95.2 vs. 61.9%; p<0.01	DNC
MJE (UN)	72.6 vs. 82.4%; ns	83.3 vs. 67.5%; ns	66.7 vs. 71.4%; ns	64.3 vs. 64.3%; ns

Pattern 2: Impaired access to lexical representations and complete disruption of sublexical POC mechanisms
Patient (PPA Variant)	Words vs. Pseudowords	High Prob vs. Low Prob	Concrete vs. Abstract	4-letter vs. 8-letter
VBN (PNFA)	51.2 vs. 0%; p<0.05	43.3 vs. 47.5%; ns	76.2 vs. 47.6%; ns	50.0 vs. 57.1%; ns

Pattern 3: Impaired access to lexical-semantic representations and/or lexical representations with partially spared sublexical POC mechanisms
Patient (PPA Variant)	Words vs Pseudowords	High Prob vs. Low Prob	Concrete vs. Abstract	4-letter vs. 8-letter
FHY (LPA)	90 vs 61.8%; p<0.001	93.3 vs. 88.8%; ns	95.2 vs. 81.0%; ns	100 vs. 78.6; ns
FSE (LPA)	65.5 vs 61.8%; ns	80.0 vs. 83.8%; ns	90.5 vs. 52.4%; p<0.01	85.7 vs. 92.9%; ns
JBH (LPA)	94.0 vs DNC	86.7 vs. 96.3%; ns	100 vs. 81.0%; ns	100 vs. 100%; ns
SRR (LPA)	66.7 vs 26.5%; p<0.001	60 vs. 70%; ns	100 vs. 76.2%; ns	85.6 vs. 92.9%; ns
TEY (SD)	78.6 vs 73.5%; ns	73.3 vs. 80%; ns	90.5 vs. 90.5%; ns	64.3 vs. 78.6%; ns
EMY (UN)	90.5 vs DNC	DNC	100 vs. 95%; ns	100 vs. 92.9%; ns
MRN (UN)	96.4 vs 85.3%; p<0.05	93.3 vs. 95%; ns	100 vs. 95.2%; ns	100 vs. 100%; ns

Pattern 4: Impairment at the level of the graphemic buffer
Patient (PPA Variant)	Words vs Pseudowords	High Prob vs. Low Prob	Concrete vs. Abstract	4-letter vs. 8-letter
BKK (SD)	34.5 vs 47.1%; ns	63.3 vs. 51.3%; ns	33.3 vs. 19%; ns	50 vs. 21.4%; ns
GAR (LPA)	67.9 vs 70.6%; ns	DNC	52.4 vs. 57.1%; ns	DNC
ENN (SD)	75.0 vs DNC	DNC	76.2 vs. 76.2%; ns	85.6 vs. 71.4%; ns
DNN (PNFA)	77.4 vs DNC	93.3 vs. 81.3%; ns	76.2 vs. 47.6%; ns	85.7 vs. 35.7%; p<0.01
LBY (UN)	28.1 vs 44%; ns	DNC	DNC	DNC

^ahigh prob vs low prob= high probability of correct spelling by applying the most frequent phonology-orthography correspondences

^bDNC= did not complete testing

^cUN= unclassifiable