Table 1 Baseline characteristics of subjects and clusters
Intervention arm | Control arm | ||
|---|---|---|---|
Variable | (N = 1688) | (N = 1810) | |
Cluster * | |||
Age, no./cluster † | |||
<=82 | 140 ± 70 | 149 ± 89 | |
>82 | 141 ± 79 | 152 ± 94 | |
Female, no./cluster | 154 ± 69 | 166 ± 77 | |
Charlson Comorbidity Index, no./cluster ‡ | |||
0 | 52 ± 28 | 37 ± 16 | |
1+ | 228 ± 78 | 263 ± 116 | |
Ward type, no./cluster ∥ | |||
Geriatrics unit | 361 ± 0 | 377 ± 0 | |
Long-term care unit | 261 ± 0 | 363 ± 0 | |
General Medicine unit | 267 ± 125 | 268 ± 142 | |
Subjects | |||
Age in years - Median (IQR) § | 82 (74–87) | 82 (75–88) | |
Female - no (%) | 924 (55) | 996 (55) | |
Charlson Comorbidity Index - no (%)¶ | |||
0 | 312 (18) | 223 (12) | |
1 | 620 (37) | 597 (33) | |
2 | 520 (31) | 612 (34) | |
3 | 184 (11) | 305 (17) | |
4 | 42 (3) | 57 (3) | |
5 | 5 (0) | 8 (0) | |
6 | 0 (0) | 0 (0) | |
N.a. | 5 (0) | 8 (0) | |
Ward type - no (%) | |||
Geriatrics unit | 361 (21) | 377 (21) | |
Long-term care unit | 261 (16) | 363 (20) | |
General Medicine unit | 1066 (63) | 1070 (59) | |