Table 3 Outcomes for the derivation, geographic and temporal external sub-cohorts
Cohort | Derivation (UK until Jan 2011) | Geographic validation (non-UK) | Temporal validation (UK post-Jan 2011) | |||
|---|---|---|---|---|---|---|
Total number of patients | 462 | 515 | 323 | |||
Characteristics | ||||||
|---|---|---|---|---|---|---|
Length of stay (days) | Median | IQR | Median | IQR | Median | IQR |
Available data | 462 | 100% | 515 | 100% | 322 | 99.7% |
 ICU | 7 | 4–14 | 14 | 7–29 | 6 | 3–11 |
 Hospital | 26 | 14–47 | 30 | 17–54 | 29 | 18–47 |
Mortality | n | % | n | % | n | % |
|---|---|---|---|---|---|---|
Available data | 462 | 100 | 515 | 100 | 321 | 99.4 |
 6 month | 124 | 26.8 | 185 | 35.9 | 64 | 19.9 |
 ICU | 73 | 15.8 | 131 | 25.4 | 24 | 7.5 |
 Hospital | 109 | 23.6 | 171 | 33.2 | 29 | 9.8 |
 28 day | 79 | 17.1 | 171 | 33.2 | 40 | 12.4 |