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Table 1 Summary statistics of daily mortality data and environmental variables in the warm season (April to September).

From: Effects of apparent temperature on daily mortality in Lisbon and Oporto, Portugal

City (time period) Variables Mean SD Minimum Median Maximum
Lisbon All-causes all ages 53.4 9.5 27.0 53.0 101.0
(2000-2004) All-causes, >65 40.8 8.4 18.0 40.0 92.0
  Cardiovascular all-ages 21.7 5.8 7.0 21.0 53.0
  Cardiovascular, >65 19.1 5.5 5.0 19.0 50.0
  Respiratory all-ages 3.1 2.0 0.0 3.0 12.0
  Respiratory, >65 2.8 1.9 0.0 2.0 10.0
  Apparent temperature (°C) 19.6 4.3 7.9 20.3 31.6
  Mean temperature (°C) 20.0 3.8 9.7 20.4 33.5
  Diurnal Temperature (°C) 8.7 2.7 0.5 8.5 16.7
  PM10 (μg/m3) 35.4 17.0 9.7 31.1 161.4
  O3 (μg/m3) 71.7 22.2 18.0 69.9 151.3
Oporto All-causes all ages 34.9 6.5 20.0 34.0 64.0
(2000-2004) All-causes, >65 25.7 5.6 10.0 25.0 49.0
  Cardiovascular all-ages 11.3 3.6 1.0 11.0 29.0
  Cardiovascular, >65 10.0 3.4 1.0 10.0 25.0
  Respiratory all-ages 2.9 1.8 0.0 3.0 10.0
  Respiratory, >65 2.6 1.6 0.0 2.0 9.0
  Apparent temperature (°C) 17.0 4.1 5.8 17.5 31.3
  Mean temperature (°C) 17.3 3.3 8.3 17.4 30.4
  Diurnal Temperature (°C) 7.9 3.0 1.4 7.5 18.3
  PM10 (μg/m3) 38.0 22.4 7.3 32.3 151.6
  O3 (μg/m3) 74.2 22.7 18.4 71.4 169.8