Table 3.
Outcomes at Follow-up by In-hospital Course of Delirium
| Overall | Transient | Recovered | Persistent | |
|---|---|---|---|---|
| MMSE score, n (mean ± SD) | ||||
| Enrollment | 193 (15.10 ± 7.17) | 76 (20.34 ± 3.65) | 56 (14.00 ± 6.69) | 61 (9.57 ± 6.30) |
| 2 Mo | 187 (17.96 ± 7.36) | 75 (21.97 ± 4.05) | 54 (19.52 ± 6.77) | 58 (11.33 ± 6.67) |
| 6 Mo | 145 (18.34 ± 7.58) | 60 (22.08 ± 5.14) | 43 (19.58 ± 7.20) | 42 (11.74 ± 6.63) |
| 12 Mo | 119 (17.84 ± 7.65) | 48 (21.73 ± 4.83) | 35 (20.43 ± 6.27) | 36 (10.14 ± 6.28) |
| BI score, n (mean ± SD) | ||||
| Enrollment | 193 (42.42 ± 29.82) | 76 (54.42 ± 27.99) | 56 (36.55 ± 27.38) | 61 (32.85 ± 29.52) |
| 2 Mo | 181 (66.57 ± 30.66) | 73 (80.25 ± 20.97) | 52 (62.44 ± 33.48) | 56 (52.57 ± 31.56) |
| 6 Mo | 149 (67.55 ± 32.01) | 63 (81.35 ± 23.08) | 43 (65.35 ± 35.34) | 43 (49.53 ± 30.86) |
| 12 Mo | 124 (64.69 ± 33.02) | 52 (78.56 ± 25.95) | 36 (69.17 ± 32.01) | 36 (40.17 ± 30.02) |
| IADL score, n (mean ± SD) | ||||
| Enrollment | 186 (6.96 ± 3.77 | 75 (8.64 ± 3.69) | 53 (6.81 ± 3.63) | 58 (4.93 ± 2.94) |
| 6 Mo | 147 (5.40 ± 3.80 | 62 (7.03 ± 4.02) | 43 (5.49 ± 3.28) | 42 (2.90 ± 2.41) |
| 12 Mo | 123 (5.20 ± 4.02) | 51 (7.10 ± 3.92) | 36 (5.44 ± 3.83) | 36 (2.25 ± 2.32) |
| Post-discharge deaths (12 mo), N, n (%) | 193, 57 (29.5) | 76, 20 (26.3) | 56, 17 (30.4) | 61, 20 (32.8) |
| Delirium, N, n (%) | ||||
| 6 Mo | 143, 45 (31.5) | 57, 6 (10.5) | 43, 9 (20.9) | 43, 30 (69.8) |
| 12 Mo | 119, 49 (41.2) | 47, 10 (21.3) | 36, 8 (22.2) | 36, 31 (86.1) |
MMSE, Mini-Mental State Exam; BI, Barthel Index; IADL, Instrumental Activities of Daily Living; SD, Standard Deviation.