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Table 2 Descriptive statistics for observed temperature values in Porto Metropolitan Areas (PMA) and Lisbon Metropolitan Areas (LMA), used in the models for the period 1986–2000 and validating period 2001–2005 together with the estimated relative risks (RRs) values at averages, 1st and 99th percentiles temperature values

From: Bootstrap approach to validate the performance of models for predicting mortality risk temperature in Portuguese Metropolitan Areas

WINTER

Metropolitan Area/Study Period

Ave. Tmean

RR (95% CI)

1st Tmean

RR (95% CI)

Ave. Tmin

RR (95% CI)

1st Tmin

RR (95% CI)

PMA 1986–2000

11.2

1.10 (1.06–1.13)

5.1

1.63 (1.35–1.97)

7.2

0.81 (0.75–0.86)

− 0.3

1.34 (1.07–1.67)

LMA 1986–2000

12.8

0.99 (0.97–0.99)

7.1

1.11 (0.89–1.38)

9.5

1.02 (1.01–1.02)

3.9

1.75 (1.54–1.99)

PMA 2001–2005

11.3

1.09 (1.05–1.13)

5.4

1.98 (1.19–3.29)

7.2

1.02 (1.01–1.03)

− 0.3

1.52 (0.98–2.38)

LMA 2001–2005

11.3

0.93 (0.89–0.96)

4.6

0.95 (0.66–1.36)

9.1

1.03 (1.00–1.05)

2.1

3.03 (2.16–4.25)

SUMMER

Metropolitan Area/Study Period

Ave. Tmean

RR (95% CI)

99th Tmean

RR (95% CI)

Ave. Tmax

RR (95% CI)

99th Tmax

RR (95% CI)

PMA 1986–2000

19.1

1.02 (0.99–1.05)

27.5

1.00 (0.72–1.39)

23.5

1.03 (0.89–1.18)

35.0

0.91 (0.58–1.42)

LMA 1986–2000

22.2

1.01 (1.00–1.02)

29.7

1.10 (0.87–1.38)

22.6

0.89 (0.79–1.01)

33.1

1.03 (0.79–1.33)

PMA 2001–2005

19.4

1.07 (0.91–1.27)

28.7

1.09 (0.51–2.34)

23.7

1.02 (0.89–1.17)

35.5

0.91 (0.56–1.44)

LMA 2001–2005

19.5

1.12 (1.03–1.22)

27.9

1.10 (0.82–1.46)

27.7

0.97 (0.92–1.02)

38.4

1.01 (0.69–1.45)