The Value of Local Heatwave Impact Assessment: A Case-Crossover Analysis of Hospital Emergency Department Presentations in Tasmania, Australia
Abstract
:1. Introduction
1.1. Study Setting
1.2. Research Aim
2. Materials and Methods
2.1. Exposure Data
2.2. Outcome Data
2.3. Study Design
2.4. Analyses
- Age group (0–5, 0–15 and over 65)
- Gender
- Socio-Economic Index for Areas (SEIFA) category (by suburb of patient address), using the Index of Relative Socio-Economic Disadvantage
- Diagnostic group.
3. Results
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Diagnostic Condition | ICD-10 Code |
---|---|
All respiratory | J00–J99 |
Asthma | J45–J46 |
Chronic obstructive pulmonary disease (COPD) | J40–J44, J47, J67 |
Diabetes | E10–E11, E13–E14 |
All cardiovascular | I00–I99, G45–G46 |
Hypertensive | I10–I13 |
Ischemic heart disease | I20–I25 |
Atrial fibrillation | I48 |
Cardiac failure | I50 |
All mental disorders | F00–F99 |
Dementia | F00–F03 |
Neuroses | F40–F48 |
Psychoses | F80–F89 |
Organic mental disorders (including depression, anxiety) | F00–F09 |
All renal disorders | N00–N39 |
Acute renal failure | N17 |
Renal calculus | N20–N21 |
Heat and light disorders (including sunburn, heat stroke) | T67, X30 |
Population Characteristic/Diagnostic Group | Total Number (% of Total) | Mean Daily Presentations | Standard Deviation | Minimum/Maximum Presentations |
---|---|---|---|---|
Whole population | 841,965 (100%) | 256.1 | 31.4 | 153/358 |
Age | ||||
≤5 | 85,450 (10.1%) | 26.0 | 7.2 | 5/56 |
≤15 | 160,315 (19.0%) | 48.8 | 10.9 | 18/108 |
16–65 | 521,072 (61.9%) | 158.5 | 20.3 | 90/232 |
>65 | 160,500 (19.1%) | 48.8 | 10.3 | 21/85 |
Gender | ||||
Male | 434,660 (51.6%) | 132.2 | 18.3 | 80/201 |
Female | 407,032 (48.3%) | 123.8 | 17.6 | 67/181 |
SEIFA | ||||
Low | 437,577 (52.0%) | 133.1 | 17.6 | 75/194 |
Middle | 252,039 (30.0%) | 76.7 | 11.7 | 36/118 |
High | 135,392 (16.0%) | 41.2 | 8.7 | 15/78 |
All respiratory | 67,439 (8.0%) | 20.5 | 7.6 | 3/63 |
Asthma | 8546 (1.0%) | 2.7 | 1.6 | 1/10 |
COPD | 10,365 (1.2%) | 3.4 | 1.9 | 1/14 |
All cardiovascular | 49,436 (5.9%) | 15.0 | 4.3 | 3/31 |
Cardiac failure | 5199 (0.6%) | 2.0 | 1.1 | 1/9 |
Hypertensive | 1312 (0.2%) | 1.2 | 0.5 | 1/5 |
Atrial fibrillation | 2724 (0.3%) | 2.2 | 1.2 | 1/8 |
Ischemic heart disease | 13,964 (1.7%) | 4.3 | 2.1 | 1/15 |
Diabetes | 1994 (0.2%) | 1.3 | 0.6 | 1/5 |
All mental disorders | 34,509 (4.1%) | 10.5 | 3.7 | 1/27 |
Dementia | 655 (0.1%) | 1.3 | 0.4 | 1/4 |
Neuroses | 6459 (0.8%) | 2.3 | 1.3 | 1/9 |
Organic mental | 2639 (0.3%) | 1.5 | 0.8 | 1/7 |
Psychoses | 21 (0.002%) | 1.0 | 0 | 1/1 |
All renal | 20,914 (2.5%) | 6.4 | 2.6 | 1/19 |
Acute renal failure | 1416 (0.2%) | 1.3 | 0.5 | 1/5 |
Renal calculus | 120 (0.01%) | 1.1 | 0.3 | 1/2 |
Exposure to light and heat | 199 (0.02%) | 1.3 | 1.1 | 1/12 |
Region | Low Intensity Days | Severe Days | Extreme Days |
---|---|---|---|
South (Hobart) | 85 | 9 | 1 |
North (Launceston) | 153 | 18 | 5 |
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Campbell, S.L.; Remenyi, T.A.; Williamson, G.J.; White, C.J.; Johnston, F.H. The Value of Local Heatwave Impact Assessment: A Case-Crossover Analysis of Hospital Emergency Department Presentations in Tasmania, Australia. Int. J. Environ. Res. Public Health 2019, 16, 3715. https://doi.org/10.3390/ijerph16193715
Campbell SL, Remenyi TA, Williamson GJ, White CJ, Johnston FH. The Value of Local Heatwave Impact Assessment: A Case-Crossover Analysis of Hospital Emergency Department Presentations in Tasmania, Australia. International Journal of Environmental Research and Public Health. 2019; 16(19):3715. https://doi.org/10.3390/ijerph16193715
Chicago/Turabian StyleCampbell, Sharon L., Tomas A. Remenyi, Grant J. Williamson, Christopher J. White, and Fay H. Johnston. 2019. "The Value of Local Heatwave Impact Assessment: A Case-Crossover Analysis of Hospital Emergency Department Presentations in Tasmania, Australia" International Journal of Environmental Research and Public Health 16, no. 19: 3715. https://doi.org/10.3390/ijerph16193715