Table 1. Neuropsychological Test Results by Delirium Status.
|
Overall Cohort N=300 |
No Delirium N=218 |
Delirium N=82 |
||||
|---|---|---|---|---|---|---|
| Score (SD) | N (%) impaired | Score (SD) | N (%) impaired | Score (SD) | N (%) impaired | |
| Trail-making Test A | 42.3 (15.4) | 24 (8) | 42.0 (15.9) | 18 (8) | 43.1 (13.9) | 6 (7) |
| Trail-making Test B | 115.9 (57.3) | 30 (10) | 111.1 (54.8) | 18 (8) | 128.7 (61.8) | 12 (15) |
| FAS Fluency | 34.7 (12.7) | 45 (15) | 35.4 (13.3) | 32 (15) | 32.9 (11.1) | 13 (16) |
| Category Fluency | 21.3 (6.0) | 37 (12) | 21.8 (6.3) | 25 (11) | 19.9 (5.1) | 12 (15) |
| VSAT | 43.0 (9.5) | 52 (17) | 43.9 (9.4) | 30 (14) | 40.7 (9.5) | 22 (27) |
| HVLT-R – Trial 1 | 5.4 (1.7) | 38 (13) | 5.6 (1.7) | 26 (12) | 5.0 (1.5) | 12 (15) |
| HVLT-R – Trial 2 | 7.5 (2.0) | 46 (15) | 7.7 (2.0) | 30 (14) | 7.0 (1.9) | 16 (20) |
| HVLT-R – Trial 3 | 8.4 (2.1) | 50 (17) | 8.6 (2.0) | 30 (14) | 7.8 (2.2) | 20 (24) |
| HVLT-R – Discrimination | 9.8 (1.9) | 34 (11) | 9.9 (1.9) | 22 (10) | 9.8 (1.8) | 12 (15) |
| HVLT-R – Delayed Recall | 7.3 (2.8) | 25 (8) | 7.4 (2.7) | 17 (8) | 6.8 (2.8) | 8 (10) |
| Digit Span Forward | 6.4 (1.3) | 78 (26) | 6.5 (1.3) | 55 (25) | 6.3 (1.2) | 23 (28) |
| Digit Span Backward | 4.6 (1.2) | 45 (15) | 4.7 (1.3) | 34 (16) | 4.5 (1.0) | 11 (13) |
| Boston Naming Test | 13.4 (2.0) | 30 (10) | 13.5 (2.0) | 18 (8) | 13.0 (2.1) | 12 (15) |
| RBANS Digit Symbol Substitution | 35.8 (9.8) | 36 (12) | 36.3 (9.9) | 27 (12) | 34.2 (9.2) | 9 (11) |
| WTAR | 38.0 (9.5) | 44 (15) | 38.6 (9.2) | 29 (13) | 36.3 (10.0) | 15 (18) |
SD = standard deviation; VSAT = visual search and attention test; HVLT-R = Hopkins Verbal Learning Test – Revised; RBANS = Repeatable Battery for the Assessment of Neuropsychological Status; WTAR = Wechsler Test of Adult Reading. For Trails A and B, a higher score indicates worse performance; for all other measures a lower score indicates worse performance.
Please refer to Appendix Table 1 for detailed information regarding each neuropsychological test.