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Table 2 Percentage increase (95% Confidence Interval) in daily mortality for a 1°C increase in mean apparent temperature during the warm season (April to September) in Lisbon, 2000-2004

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

Modelsa, b % Increase 95% CI
All-causes mortality   
   All-ages 2.1 1.6, 2.5
   > 65 2.7 2.2, 3.2
Cardiovascular diseases   
   All-ages 2.4 1.7, 3.1
   > 65 2.8 2.1, 3.6
Respiratory diseases   
   All-ages 1.7 0.1, 3.4
   > 65 2.3 0.5, 4.1
  1. a Models adjusted for time trend and day of week.
  2. b df for seasonal natural cubic spline ranged from 22 to 24, based on partial autocorrelation function.