Table 2:

Sensitivity of the proposed imaging markers for the diagnosis of PPA variants and typical AD based on the lobar distribution of the atrophy and specific consensus recommendations

svPPAnfvPPAlvPPAAD
Sensitivity based on lobar distribution
Rater 1100%50%50%36%
Rater 295%8%57%64%
Rater 3100%29%64%60%
Mean (SD)98% (2.9%)29% (21%)57% (7%)53% (15%)
Sensitivity based on recommendations
Rater 190%14%50%60%
Rater 292%20%56%46%
Rater 395%28%42%24%
Mean (SD)92% (2.5%)21% (7%)49% (7%)43% (18%)