GIM ward | Preimplementation | Introduction | Full implementation | Total | Test statistic | P value* |
Falls (rate per 1000 patients at risk) | ||||||
CTUC | 51 | 66 | 53 | 170 | 0.006 | 0.937 |
CTUW | 51 | 102 | 108 | 261 | 8.220 | 0.004 |
DCD | 98 | 221 | 66 | 385 | 1.699 | 0.192 |
Total | 200 | 390 | 227 | 817 | 0.573 | 0.449 |
Moderate to severe injury falls (rate per 1000 patients at risk) | ||||||
CTUC | 21 | 0 | 2 | 22 | 14.119 | <0.001 |
CTUW | 7 | 0 | 4 | 11 | 0.594 | 0.441 |
DCD | 8 | 8 | 0 | 15 | 44.871 | <0.001 |
Total | 12 | 1 | 2 | 15 | 52.262 | <0.001 |
Length of stay (days): median (min, max) | ||||||
CTUC† | 6 (1, 74) | 6 (1, 115) | 5 (1, 128) | 5 (1, 128) | 214 260 | <0.001 |
CTUW | 6 (1, 61) | 5 (1, 102) | 5 (1, 173) | 5 (1, 173) | 319 460 | <0.001 |
DCD† | 6 (1, 87) | 6 (1, 124) | 5 (1, 91) | 6 (1, 124) | 90 035 | <0.001 |
Total | 6 (1, 87) | 6 (1, 124) | 5 (1, 173) | . | 1 770 300 | <0.001 |
Resources intensity weights (per month): median (min, max) | ||||||
CTUC† | 0.4 (0.1, 4.3) | 0.4 (0.1, 8.1) | 0.1 (0.01, 3.9) | 0.1 (0, 8.1) | 224 750 | <0.001 |
CTUW | 0.4 (0.1, 2.1) | 0.3 (0.1, 4.7) | 0.1 (0.01, 2.8) | 0.1 (0, 4.7) | 335 570 | <0.001 |
DCD† | 0.4 (0.1, 5.7) | 0.4 (0.1, 4.4) | 0.1 (0.01, 2.4) | 0.1 (0, 5.7) | 93 532 | <0.001 |
Total | 0.4 (0.1, 5.7) | 0.3 (0.1, 8.1) | 0.1 (0.01, 3.9) | . | 1 854 400 | <0.001 |
*P value for comparison between period 3 and 1.
†Missing data ≤5.
CTUC, clinical teaching unit central; CTUW, clinical teaching unit west; DCD, CTU Central and Cardiology; GIM, general internal medicine.