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Table 6 Odds ratios of hospitalisations associated with severe and extreme heat (95th/99th percentile) in Sydney GMR

From: The impact of heat on mortality and morbidity in the Greater Metropolitan Sydney Region: a case crossover analysis

Hospital admissions

Single day

3 day event

(Lag0)

(Lag0-2)

OR (95%CI)

(95%CI)

95th percentile

99th percentile

95th percentile

99th percentile

All cause

All Age

1.02 (1.01 - 1.03)

1.01 (1.00 - 1.02)

1.02 (1.01 - 1.03)

1.03 (1.02 - 1.05)

 

65+

1.04 (1.03 - 1.06)

1.03 (1.01 - 1.06)

1.03 (1.02 - 1.04)

1.05 (1.03 - 1.07)

All cardiovascular

All Age

1.01 (0.99 - 1.03)

0.98 (0.94 - 1.03)

0.98 (0.96 - 1.00)

0.98 (0.94 - 1.03)

 

65+

1.01 (0.93 - 0.98)

0.98 (0.93 - 1.04)

0.97 (0.95 - 1.00)

0.96 (0.91 - 1.02)

IHD

All Age

1.04 (0.86 - 1.24)

1.00 (0.93 - 1.06)

0.99 (0.96 - 1.00)

1.00 (0.93 - 1.06)

 

65+

1.02 (0.98 - 1.06)

1.02 (0.94 - 1.11)

0.99 (0.95 - 1.03)

0.99 (0.91 - 1.07)

All respiratory

All Age

1.03 (0.96 - 1.06)

0.98 (0.94 - 1.03)

1.03 (1.01 - 1.05)

1.01 (0.97 - 1.06)

 

65+

1.07 (1.04 - 1.10)

1.03 (0.96 - 1.09)

1.08 (1.04 - 1.11)

1.07 (1.01 - 1.14)

Pneumonia

All Age

1.04 (1.00 - 1.08)

0.97 (0.89 - 1.06)

1.05 (1.01 - 1.09)

1.10 (1.01 - 1.20)

 

65+

1.06 (1.00 - 1.12)

1.01 (0.90 - 1.13)

1.09 (1.03 - 1.15)

1.12 (1.00 - 1.25)

Asthma

1 - 14 yrs

0.94 (0.89 - 1.01)

0.92 (0.80 - 1.04)

0.93 (0.87 - 0.98)

0.89 (0.79 - 1.01)

 

15 - 64 yrs

0.96 (0.88 - 1.04)

0.86 (0.72 - 1.04)

0.95 (0.87 - 1.04)

0.80 (0.66 - 0.97)

COPD

All Age

1.06 (1.01 - 1.10)

1.05 (0.97 - 1.14)

1.06 (1.02 - 1.11)

1.06 (0.97 - 1.15)

 

65+

1.07 (1.03 - 1.13)

1.03 (0.94 - 1.14)

1.07 (1.02 - 1.13)

1.03 (0.93 - 1.14)

Diabetes

All Age

1.12 (1.06 - 1.18)

1.16 (1.03 - 1.30)

1.07 (1.01 - 1.04)

1.14 (1.01 - 1.29)

 

65+

1.12 (1.03 - 1.21)

1.18 (0.99 - 1.39)

1.06 (0.97 - 1.15)

1.15 (0.95 - 1.37)

All renal disorders

All Age

1.04 (1.01 - 1.10)

1.01 (0.94 - 1.08)

1.14 (1.04 - 1.11)

1.19 (1.12 - 1.27)

 

65+

1.09 (1.04 - 1.14)

1.01 (0.91 - 1.12)

1.12 (1.07 - 1.17)

1.26 (1.15 - 1.40)

Urolithiasis

All Age

1.01 (0.95 - 1.07)

1.05 (0.97 - 1.14)

1.15 (1.08 - 1.22)

1.32 (1.18 - 1.50)

 

65+

1.07 (0.91 - 1.25)

0.90 (0.63 - 1.29)

1.31 (1.12 - 1.53)

1.79 (1.34 - 2.40)

Mental disorders

All Age

1.01 (0.98 - 1.04)

1.08 (0.97 - 1.20)

1.03 (1.00 - 1.05)

1.05 (0.99 - 1.10)

 

65+

1.03 (0.96 - 1.09)

0.94 (0.81 - 1.09)

1.09 (1.02 - 1.16)

1.05 (0.91 - 1.20)

Dehydration

All Age

1.78 (1.60 - 1.97)

2.16 (1.80 - 1.60)

1.72 (1.56 - 1.91)

2.32 (1.91 - 2.81)

 

65+

1.85 (1.63 - 2.09)

2.08 (1.64 - 2.64)

1.78 (1.51 - 2.02)

2.15 (1.68 - 2.76)

Heat related illness and injury

All Age

12.05 (8.91 - 16.30)

18.76 (11.38 - 30.93)

1.77 (1.60 - 1.97)

10.35 (6.09 - 17.59)

 

65+

19.47 (11.71 - 32.36)

No data

7.05 (4.69 - 10.60)

No data

Disorders of fluid balance

All Age

1.27 (1.14 - 1.42)

1.50 (1.20 - 1.86)

1.19 (1.06 - 1.33)

1.49 (1.19 - 1.86)

 

65+

1.25 (1.10 - 1.42)

1.51 (1.18 - 1.93)

1.16 (1.02 - 1.32)

1.50 (1.16 - 1.94)

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Environmental Health

ISSN: 1476-069X