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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.