Table 2 Excess risk of mortality and 95% confidence intervals (%) associated with an IQR increment in air pollutant concentrations

2.03 (1.08–2.99)

1.63 (0.69–2.59)

1.86 (0.94–2.78)

5.63 (3.96–7.34)

1.98 (0.23–3.77)

− 1.24 (− 3.24–0.81)

1.47 (−0.10–3.07)

2.20 (1.18–3.23)

1.35 (− 1.11–3.88)

− 0.49 (− 3.51–2.61)

2.46 (− 0.11–5.10)

2.78 (1.35–4.23)

1.45 (− 0.33–3.27)

0.53 (− 1.42–2.52)

0.92 (−0.65–2.52)

2.53 (1.03–4.01)