Table 4. ICU hospitalization rates due to trauma by sex, age, external cause of injury, mean length of stay and hospital mortality, average annual variation, confidence interval (95%CI) and trend. Brazil, 1998–2015.
| Characteristics | Ratea | Annual variationb | 95%CI | Trend | ||
|---|---|---|---|---|---|---|
|
| ||||||
| 1998 | 2007 | 2015 | ||||
| Sex | ||||||
| Male | 22.2 | 32.2 | 44.3 | 3.8 | 3.1 – 4.5 | Increasing |
| Female | 8.7 | 13.4 | 22.2 | 5.4 | 4.5 – 6.3 | Increasing |
| Ratio M/F | 2.6 | 2.3 | 2.0 | -1.5 | -2.1 – -1.0 | Decreasing |
| Age (years) | ||||||
| Up to 14 | 6.4 | 9.0 | 10.6 | 2.5 | 1.7 – 3.3 | Increasing |
| 15–29 | 17.4 | 23.3 | 29.7 | 3.2 | 2.5 – 3.8 | Increasing |
| 30–59 | 16.6 | 22.5 | 28.3 | 2.8 | 2.1 – 3.5 | Increasing |
| 60 and older | 39.3 | 58.8 | 101.4 | 5.5 | 4.7 – 6.3 | Increasing |
| External cause of injuryc | ||||||
| Care complications (Y40–Y84) | 0.9 | 1.4 | 1.9 | 5.1 | 3.9 – 6.4 | Increasing |
| Other accidental traumas (W20–X59) | 3.0 | 4.2 | 7.0 | 4.6 | 3.4 – 5.8 | Increasing |
| Falls (W00–W19) | 5.0 | 7.6 | 10.8 | 4.5 | 3.5 – 5.5 | Increasing |
| Sequelae of external causes (Y85–Y89) | 0.6 | 0.7 | 1.2 | 4.5 | 1.8 – 7.3 | Increasing |
| Other groups (Y35–Y36; Y90–Y98) | 0.1 | 0.1 | 0.2 | 4.4 | 2.0 – 6.8 | Increasing |
| Events of unspecified intention (Y10–Y34) | 1.0 | 1.2 | 2.5 | 4.2 | 1.5 – 7.0 | Increasing |
| Intentional self-inflicted injury (X60–X84) | 0.2 | 0.5 | 0.5 | 4.0 | 1.5 – 6.7 | Increasing |
| Transport accidents (V01–V99) | 3.4 | 5.4 | 6.8 | 3.7 | 2.9 – 4.4 | Increasing |
| Pedestrian (V01–V09) | 0.8 | 1.5 | 1.3 | 4.0 | 2.3 – 5.9 | Increasing |
| Cyclist (V10–V19) | 2.0 | 3.1 | 3.5 | 3.2 | 2.8 – 3.6 | Increasing |
| Motorcyclist (V20–V29) | 1.2 | 1.8 | 2.8 | 4.3 | 3.1 – 5.5 | Increasing |
| Vehicle occupant (V30–V79) | 0.6 | 0.8 | 1.0 | 3.3 | 1.5 – 5.1 | Increasing |
| Other (V80–V99) | 0.6 | 1.0 | 1.4 | 3.1 | 0.2 – 6.1 | Increasing |
| Aggression (X85–Y09) | 1.1 | 1.4 | 2.2 | 3.2 | 1.5 – 4.9 | Increasing |
| Mean of length of stay in ICU (days) | 4.9 | 6.1 | 6.3 | 1.5 | 1.0 – 2.1 | Increasing |
| Hospital mortality rate in ICU | 21.5 | 20.1 | 16.1 | -1.7 | -2.1 – -1.3 | Decreasing |
Ratio M/F: ratio between male and female population.
a Rates standardized according to the Brazilian population of the 2010 census, per 100,000 inhabitants/year.
b Average annual variation of hospitalization rates calculated from β1 of Prais-Winsten generalized linear regression model 11.
c Secondary diagnosis of hospitalization, Chapter XX, International Classification of Diseases, 10th edition (ICD-10).