Table 7.
Frequency of Abnormal Performance [i.e. T score>expected T score] on the clinical scales of AIIMS neuropsychological battery among chronic schizophrenia patients, alcohol dependence patients, and normal subjects
| Abnormal performance (i.e. T score>Expected T score) on clinical scales | Chronic schizophrenia patients (n=30), n (%) | Alcohol dependents (n=30), n (%) | Normal subjects (n=30), n (%) | χ2 (df=2) |
|---|---|---|---|---|
| Motor scale | 30 (100) | 25 (83.3) | 14 (46.7) | 24.969*** |
| Tactile scale | 30 (100) | 26 (86.7) | 0 (0) | 75.252*** |
| Visual scale | 12 (40) | 8 (26.7) | 1 (3.3) | 11.553** |
| Receptive speech scale | 28 (93.3) | 24 (80) | 11 (36.7) | 25.079*** |
| Expressive speech scale | 22 (73.3) | 17 (56.7) | 6 (20) | 17.867*** |
| Reading scale | 16 (53.3) | 11 (36.7) | 1 (3.3) | 18.145*** |
| Writing scale | 10 (33.3) | 5 (16.7) | 0 (0) | 12.000** |
| Arithmetic scale | 15 (50) | 3 (10) | 0 (0) | 26.250*** |
| Memory scale | 17 (56.7) | 3 (10) | 0 (0) | 31.757*** |
| Intellectual process scale | 14 (46.7) | 0 (0) | 0 (0) | 33.158*** |
| Right hemisphere scale | 30 (100) | 27 (90) | 14 (46.7) | 28.955*** |
| Left hemisphere scale | 29 (96.7) | 14 (46.7) | 1 (3.3) | 52.381*** |
| Pathognomonic scale | 25 (83.3) | 15 (50) | 2 (6.7) | 35.625*** |
| Total battery (neuropsychological dysfunction) | 25 (83.3) | 11 (36.7) | 0 (0) | 43.611*** |
**Significant at P<0.01 (two-tailed); ***Significant at P<0.001 (two-tailed). AIIMS – All India Institute of Medical Science