Characteristics | Internal department A | Internal department B | All | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Before | After | All | p-value | Before | After | All | p-value | Before | After | All | p-value | |
Number of admissions | 4432 | 6028 | 10,460 | Â | 4151 | 5934 | 10,085 | Â | 8583 | 11,962 | 20,545 | Â |
Female (%) | 53% | 52% | 53% | 0.337 | 51% | 52% | 52% | 0.115 | 52% | 52% | 52% | 0.691 |
Age | ||||||||||||
 Mean (years) | 77.9 | 77.5 | 77.7 | 0.165 | 75.5 | 76.3 | 76.0 | 0.011 | 76.7 | 76.9 | 76.8 | 0.417 |
 Median (years) | 82 | 81 | 81 |  | 80 | 80 | 80 |  | 81 | 81 | 81 |  |
 18–45 (%) | 4% | 4% | 4% | 0.247 | 6% | 6% | 6% | 0.177 | 5% | 5% | 5% | 0.629 |
 45–64 (%) | 12% | 13% | 12% |  | 14% | 13% | 14% |  | 13% | 13% | 13% |  |
 65–74 (%) | 15% | 16% | 15% |  | 16% | 17% | 16% |  | 16% | 16% | 16% |  |
 75–84 (%) | 30% | 29% | 29% |  | 29% | 28% | 28% |  | 29% | 29% | 29% |  |
 85+ (%) | 40% | 39% | 39% |  | 35% | 36% | 36% |  | 37% | 38% | 37% |  |
Hospitalization in the year prior to admission | ||||||||||||
 Mean (number) | 2.0 | 2.0 | 2.0 | 0.898 | 1.9 | 1.9 | 1.9 | 0.117 | 1.9 | 2.0 | 2.0 | 0.334 |
 0 (%) | 33% | 33% | 33% | 0.417 | 36% | 34% | 35% | 0.044 | 34% | 33% | 34% | 0.209 |
 1–2 (%) | 39% | 39% | 39% |  | 37% | 37% | 37% |  | 38% | 38% | 38% |  |
 3–5 (%) | 21% | 20% | 21% |  | 19% | 21% | 20% |  | 20% | 21% | 20% |  |
 6+ (%) | 8% | 8% | 8% |  | 7% | 8% | 8% |  | 8% | 8% | 8% |  |
Charlson Comorbidity Index | ||||||||||||
 CCI 0 (%) | 28% | 25% | 26% | < 0.001 | 28% | 28% | 28% | 0.080 | 28% | 26% | 27% | < 0.001 |
 CCI 1–2 (%) | 47% | 46% | 47% |  | 45% | 45% | 45% |  | 46% | 46% | 46% |  |
 CCI 3–4 (%) | 19% | 22% | 21% |  | 21% | 21% | 21% |  | 20% | 21% | 21% |  |
 CCI > =5 (%) | 5% | 8% | 7% |  | 5% | 7% | 6% |  | 5% | 7% | 6% |  |
Length of stay | ||||||||||||
 Mean (days) | 10.2 | 10.2 | 10.2 | 0.962 | 10.9 | 10.2 | 10.5 | 0.012 | 10.5 | 10.2 | 10.3 | 0.072 |
 SD (days) | 13.4 | 14.0 | 13.7 |  | 15.3 | 13.4 | 14.2 |  | 14.4 | 13.7 | 14.0 |  |
 Median (days) | 7 | 6 | 6 |  | 7 | 6 | 6 |  | 7 | 6 | 6 |  |
 0–1 (%) | 5% | 4% | 4% | 0.002 | 4% | 4% | 4% | 0.001 | 5% | 4% | 4% | < 0.001 |
 2–3 (%) | 16% | 18% | 17% |  | 16% | 20% | 18% |  | 16% | 19% | 18% |  |
 4–5 (%) | 19% | 20% | 20% |  | 20% | 21% | 21% |  | 20% | 21% | 20% |  |
 6–7 (%) | 16% | 17% | 17% |  | 16% | 16% | 16% |  | 16% | 16% | 16% |  |
 8–10 (%) | 15% | 15% | 15% |  | 14% | 13% | 14% |  | 15% | 14% | 14% |  |
 11–15 (%) | 13% | 11% | 12% |  | 12% | 10% | 11% |  | 13% | 11% | 11% |  |
 16–20 (%) | 6% | 5% | 6% |  | 6% | 5% | 6% |  | 6% | 5% | 6% |  |
 21–30 (%) | 5% | 5% | 5% |  | 6% | 5% | 5% |  | 5% | 5% | 5% |  |
  > 30 (%) | 5% | 5% | 5% |  | 6% | 6% | 6% |  | 5% | 5% | 5% |  |
 Number of admissions per month | 120 | 137 | 129 |  | 112 | 135 | 125 |  | 232 | 272 | 254 |  |
 Number of hospitalized patients per day* | 40 | 46 | 43 |  | 40 | 45 | 43 |  | 80 | 91 | 86 |  |