Table 2.
Number of hospitalizations and length of stay among high cost inpatients
| Top 1 % | Top 5 % | ||||
|---|---|---|---|---|---|
| Variable | All | High Cost | Non High Cost | High Cost | Non High Cost |
| (n = 36,892) | (n = 369) | (n = 36,523) | (n = 1,844) | (n = 35,048) | |
| Number of hospitalizations, % | |||||
| 1 | 86.5 | 52.3 | 86.9 | 54.3 | 88.2 |
| 2 | 9.9 | 19.5 | 9.8 | 22.6 | 9.2 |
| 3 | 2.3 | 12.2 | 2.2 | 11.8 | 1.8 |
| ≥ 4 | 1.3 | 16.0 | 1.1 | 11.3 | 0.8 |
| Total days in hospital, median (IQR) | 3 (2–7) | 91 (62–129) | 3 (2–7) | 52 (35–77) | 3 (2–6) |
| Acute days in hospital, median (IQR) | 3 (2–7) | 68 (48–99) | 3 (2–7) | 40 (27–58) | 3 (2–6) |
| ≥1 ALC day, % | 4.2 | 37.1 | 3.9 | 33.2 | 2.7 |
| ALC days in hospital, median (IQR)a | 13 (5–34) | 43 (17–126) | 12 (5–30) | 31 (11–68) | 8 (4–20) |
| ≥1 ICU admission, % | 9.2 | 73.4 | 8.6 | 48.4 | 7.1 |
| ICU days in hospital, median (IQR)b | 4 (1–10) | 26 (14–39) | 3 (1–9) | 14 (8–25) | 2 (1–6) |
| In-hospital mortality, % | 4.6 | 21.7 | 4.4 | 20.4 | 3.8 |
| 30-day all-cause readmission, %c | (n = 35,067) 6.8 | (n = 310) 35.8 | (n = 34,757) 6.5 | (n = 1548) 31.9 | (n = 33,519) 5.6 |
Data Source: Ottawa Hospital Data Warehouse
Note: Total length of stay is Acute days + ALC days. Acute days include ICU days
Abbreviations: ALC Alternate Level of Care, ICU Intensive Care Unit, IQR Inter-quartile Range
aAmong patients with at least 1 ALC day
bAmong patients with an ICU admission
cAmong patients eligible for hospital readmission (excludes patients that died in hospital prior to discharge)