Table 1 Baseline demographic and pre-existing health status factors for those with a first-burn injury hospitalisation, and age and gender frequency matched non-burn trauma cohort and non-injured cohort, Western Australia, 1980–2012
Characteristics | No injury N (%) | Non-burn trauma N (%) | Burn injury N (%) | p value |
|---|---|---|---|---|
Total | 123,399 | 28,647 | 30,997 | |
Demographic | ||||
Aboriginality | ||||
Yes | 2993 (2.4) | 2628 (9.2) | 4481 (14.5) | < 0.001 |
Social disadvantage quintilesa | ||||
Quintile 1 (most disadvantaged) | 14,597 (12.0) | 4854 (17.3) | 6579 (21.6) | < 0.001 |
Quintile 2 | 28,339 (23.4) | 9010 (32.1) | 9878 (32.4) | |
Quintile 3 | 22,142 (18.2) | 5785 (20.6) | 6354 (20.8) | |
Quintile 4 | 21,671 (17.9) | 4202 (15.0) | 3833 (12.6) | |
Quintile 5 (least disadvantaged) | 34,609 (28.5) | 4226 (15.1) | 3857 (12.6) | |
Remotenessb | ||||
Major city | 88,278 (72.8) | 15,763 (56.3) | 15,810 (51.7) | < 0.001 |
Inner regional | 11,725 (9.7) | 2967 (10.67) | 3360 (11.0) | |
Outer regional | 11,653 (9.6) | 4261 (15.2) | 4958 (16.2) | |
Remote | 5897 (4.9) | 2848 (10.2) | 3434 (11.2) | |
Very remote | 3697 (3.0) | 2178 (7.8) | 3011 (9.8) | |
Health status | ||||
Any comorbidity (CCI ≥ 1)c | 4691 (3.8) | 1863 (6.5) | 3131 (10.1) | < 0.001 |
Injury Category | ||||
Low (ICISS ≥ 0.99) | 123,399 (100) | 19,646 (68.6) | 17,917 (57.8) | < 0.001 |
Medium (0.941 ≤ ICISS < 0.99) | 0 | 7313 (25.5) | 10,326 (33.3) | |
High (ICISS < 0.941) | 0 | 1688 (5.9) | 2754 (8.9) | |