Subgroup comparison of the AFF− (impaired Affective ToM) with AFF+ (unimpaired Affective ToM) on background tests
| Measure | AFF− Mean±SD (n=12) | z>2 SD n (%) | AFF+ Mean±SD (n=21) | z>2 SD n (%) | Statistical results |
|---|---|---|---|---|---|
| Age | 63.8±12.7 | NA | 56.1±13.2 | NA | t=−1.6, p=0.11 |
| Sex (male/female) | 6/6 | NA | 13/8 | NA | χ2=0.44, p=0.51 |
| Education (years) | 13.9±3.8 | NA | 14±2.9 | NA | U=122, p=0.90 |
| HADS—anxiety HADS—depression (n=25) | 5.6±2.8 1.8±1.4 | NA | 5.6±4.3 2.6±2.6 | NA | t=0.05, p=0.96 U=61, p=0.56 |
| VFI z-score (n=27) | 3.2±2.6 | 6 (50%) | 1.0±1.4 | 5 (23.8%) | U=41, p=0.027 |
| Brixton test (n=32) | 16.2±8.4 | 4 (33.3%) | 14.3±4.8 | 1 (4.8%) | U=120, p=1.0 |
| VOSP—cube analysis VOSP—number Loc. (n=32) | 9.75±0.45 8.8±1.5 | 3 (25%) 3 (25%) | 9.45±1 9.75±0.55 | 6 (30%) 1 (5%) | U=109.5, p=0.69 U=70, p=0.053 |
| Graded naming test (n=32) | 21.5±3.6 | 6/12 (50%) | 24±2.8 | 2/20 (10%) | t=2.2, p=0.04 |
Significant results highlighted in bold. z>2 SD indicates the number of cases falling in the abnormal range as determined by test scores greater than 2SD from control mean
HADS, Hospital Anxiety and Depression Scale; Number Loc, Location; VFI, Verbal Fluency Index (higher scores indicate worse performance); VOSP, Visual Object and Space Perception battery.