Table 1

Per cent increase in annual deaths per degree Celsius of cold (daily average of degrees below 18°C) and of heat (daily average of degrees above 18°C)

 Per cent increase in mortality per °C (95% CI)
Main (annual data)Comparative (week data)
Cold
All causes
 All2.3 (0.7 to 3.8)2.0 (2.0 to 2.1)
  Age 65+2.4 (0.6 to 4.3)2.2 (2.1 to 2.3)
  Under 651.9 (−0.0 to 3.9)1.5 (1.3 to 1.6)
Cardiovascular
 All2.9 (0.9 to 5.0)2.4 (2.3 to 2.5)
Respiratory
 All7.6 (2.7 to 12.8)3.6 (3.4 to 3.8)
Heat
All causes
 All1.7 (−2.9 to 6.5)3.9 (3.6 to 4.1)
  Age 65+1.0 (−4.4 to 6.8)4.5 (4.2 to 4.8)
  Under 653.0 (−3.2 to 9.7)2.0 (1.5 to 2.5)
Cardiovascular
 All−0.1 (−5.9 to 6.1)3.9 (3.5 to 4.3)
Respiratory
 All3.3 (−10.3 to 19.0)7.9 (7.2 to 8.6)