From: Mental health: A cause or consequence of injury? A population-based matched cohort study
Number of Mental Health Hospitalisations | ||||||||||||
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Injury Types and Severity Level | Injured (N = 21,032) | Non-Injured (N = 21,032) | Unadjusted Rate Ratio | 95% Confidence Interval | Adjusted Rate Ratio * | 95% Confidence Interval | ||||||
N | % | Hosp | % | /100 PYs | Hosp | % | /100 PYs | |||||
Injury Subgroup | ||||||||||||
Brain injury | 1,290 | 6.1 | 260 | 4.3 | 2.44 | 89 | 9.3 | 0.79 | 3.16 | 2.03–4.92 | 2.82 | 1.84–4.33 |
Spinal injury | 95 | 0.5 | 2 | 0.0 | 0.24 | 1 | 0.1 | 0.12 | 3.45 | 0.07–155.69 | – | – |
Burns | 524 | 2.5 | 150 | 2.5 | 3.25 | 14 | 1.5 | 0.31 | 9.93 | 4.12–23.94 | 6.70 | 2.52–17.76 |
Fracture of long bones | 2,515 | 12 | 362 | 6.0 | 1.63 | 111 | 11.6 | 0.50 | 3.41 | 2.36–4.91 | 2.62 | 1.82–3.76 |
Poisonings | 2,169 | 10.3 | 2,358 | 39.1 | 12.68 | 140 | 14.6 | 0.72 | 18.72 | 14.75–23.76 | 5.74 | 4.48–7.35 |
Internal injuries | 593 | 2.8 | 98 | 1.6 | 1.91 | 30 | 3.1 | 0.59 | 2.90 | 1.43–5.85 | 3.09 | 1.57–6.10 |
All other injuries | 13,846 | 65.8 | 2,804 | 46.4 | 2.27 | 572 | 59.8 | 0.47 | 5.03 | 4.34–5.82 | 2.91 | 2.54–3.35 |
Injury Severity Score (ISS) | ||||||||||||
Minor (ISS 1–8) | 14,599 | 69.4 | 2,716 | 45.0 | 2.08 | 620 | 64.8 | 0.48 | 4.34 | 3.75–5.02 | 2.60 | 2.27–2.99 |
Moderate (ISS 9–15) | 1,746 | 8.3 | 270 | 4.5 | 1.79 | 63 | 6.6 | 0.41 | 4.72 | 3.03–7.37 | 3.14 | 2.05–4.80 |
Severe (ISS = 16) | 657 | 3.1 | 120 | 2.0 | 2.43 | 49 | 5.1 | 0.84 | 3.17 | 1.63–6.17 | 3.86 | 1.98–7.54 |
No ISS Computed † | 4,030 | 19.2 | 2,928 | 48.5 | 8.45 | 225 | 23.5 | 0.63 | 14.43 | 11.86–17.57 | 5.07 | 4.17–6.15 |