Bedspaced patients (n=1093) | Assigned GIM wards patients (n=1093) | Standardised difference | |
Demographics | |||
Male | 561 (51.3%) | 572 (52.3%) | 0.0201 |
Age median (IQR) | 71.00 (58.00–81.00) | 71.00 (57.00–81.00) | 0.0150 |
Length of stay | |||
Length of stay, days: median (IQR) | 5.43 (3.01–9.74) | 6.29 (3.50–11.86) | 0.1011 |
Admission day | |||
Weekend (Saturday or Sunday) | 307 (28.1%) | 301 (27.5%) | 0.0123 |
Admission month | |||
January | 104 (9.5%) | 112 (10.3%) | 0.0245 |
February | 81 (7.4%) | 82 (7.5%) | 0.0035 |
March | 83 (7.6%) | 67 (6.1%) | 0.0579 |
April | 66 (6.0%) | 70 (6.4%) | 0.0152 |
May | 81 (7.4%) | 80 (7.3%) | 0.0035 |
June | 107 (9.8%) | 105 (9.6%) | 0.0062 |
July | 94 (8.6%) | 104 (9.5%) | 0.0319 |
August | 90 (8.2%) | 75 (6.9%) | 0.0520 |
September | 102 (9.3%) | 94 (8.6%) | 0.0256 |
October | 96 (8.8%) | 102 (9.3%) | 0.0191 |
November | 94 (8.6%) | 105 (9.6%) | 0.0350 |
December | 95 (8.7%) | 97 (8.9%) | 0.0065 |
Capacity ratio median (IQR) | 1.35 (1.26–1.41) | 1.34 (1.26–1.41) | 0.0096 |
Clinical teaching unit (CTU) team | |||
A | 263 (24.1%) | 296 (27.1%) | 0.0692 |
B | 242 (22.1%) | 269 (24.6%) | 0.0584 |
C | 297 (27.2%) | 280 (25.6%) | 0.0353 |
D | 291 (26.6%) | 248 (22.7%) | 0.0914 |
Charlson Comorbidity Index (CCI) Score | |||
0 | 314 (28.7%) | 300 (27.5%) | 0.0285 |
1 | 232 (21.2%) | 216 (19.8%) | 0.0363 |
>=2 | 547 (50.1%) | 577 (52.8%) | 0.0549 |
Resource intensity weight (RIW) Median (IQR) | 1.05 (0.69–1.72) | 1.09 (0.70–2.04) | 0.0191 |
Top seven case mix group (Admission diagnosis) | |||
139 Chronic obstructive pulmonary disease | 97 (8.9%) | 98 (9.0%) | 0.0032 |
138 Viral/unspecified pneumonia | 62 (5.7%) | 55 (5.0%) | 0.0285 |
487 Lower urinary tract infection | 37 (3.4%) | 39 (3.6%) | 0.0100 |
196 Heart failure without cardiac catheter | 42 (3.8%) | 50 (4.6%) | 0.0365 |
477 Renal failure | 41 (3.8%) | 43 (3.9%) | 0.0095 |
254 Gastrointestinal haemorrhage | 41 (3.8%) | 39 (3.6%) | 0.0097 |
437 Diabetes | 25 (2.3%) | 26 (2.4%) | 0.0061 |
For full list of Charlson Comorbidity Index comorbidities and top 52 case mix groups (CMGs), please see online supplementary appendix table 4.