Table 4.
Distribution of screening test scores by degree of cognitive impairment
| Screening Tests | Total (n=150) | Normal (n=32; 21%) | Mild (n=25; 17%) | Moderate (n=49; 33%) | Severe (n=44; 29%) | Trend P Value |
|---|---|---|---|---|---|---|
| MoCA | 20.4±4.1 (9, 29) | 22.6±3.0 (17, 29) | 22.4±3.1 (16, 29) | 21.1±2.6 (16, 26) | 16.9±4.6 (9, 29) | <0.001 |
| Digit symbol substitution | 35.7±15.8 (0, 80) | 43.5±12.3 (20, 71) | 41.0±14.3 (24, 74) | 37.3±14.4 (13, 80) | 24.7±15.2 (0, 57) | <0.001 |
| Trails B completeda | ||||||
| No | 31 (21%) | 2 (6%) | 0 (0%) | 2 (4%) | 27 (61%) | <0.001 |
| Yes | 119 (79%) | 30 (94%) | 25 (100%) | 47 (96%) | 17 (39%) | |
| Trails B score among completers, s | 141.3±64.1 (22, 285) | 104.1±49.2 (22, 219) | 138.0±63.7 (41, 259) | 152.3±59.9 (68, 285) | 181.4±69.4 (62, 269) | <0.001 |
| 3MS | 84.9±11.0 (50, 100) | 89.3±7.6 (68, 99) | 89.9±5.9 (75, 98) | 86.5±7.0 (70, 100) | 77.3±14.4 (50, 99) | <0.001 |
| MMSE | 25.6±3.3 (14, 30) | 26.9±1.8 (22, 29) | 27.0±2.2 (22, 30) | 25.9±2.2 (21, 30) | 23.5±4.4 (14, 30) | <0.001 |
| Mini-Cog | 2.2±1.6 (0, 5) | 2.9±1.4 (0, 5) | 2.6±1.2 (0, 5) | 2.3±1.7 (0, 5) | 1.3±1.3 (0, 5) | <0.001 |
Cognitive impairment determined by comprehensive neurocognitive battery. Presented as mean±SD and (min, max) scores.
a
Time limit of 300 s.