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Table 3 Distributions of relative risks for arrhythmia caused by six air pollutants on lags of different lengths (in days)a

From: Associations between air pollution and outpatient visits for arrhythmia in Hangzhou, China

Lag

PM 2.5

PM 10

SO 2

NO 2

CO

O3

0

1.009 (0.998–1.020)

1.003 (0.995–1.011)

1.045 (0.997–1.095)

1.023 (0.999–1.047)

1.084

(0.943, 1.246)

0.997

(0.979, 1.015)

1

0.996 (0.984–1.008)

1.001 (0.993–1.010)

1.030 (0.986–1.076)

1.023 (0.999–1.048)

1.031

(0.890, 1.196)

0.999

(0.983, 1.015)

2

1.006 (0.994–1.018)

1.004 (0.996–1.013)

1.030 (0.987–1.075)

1.007 (0.999–1.030)

1.023

(0.886, 1.826)

0.996

(0.981, 1.012)

3

0.994 (0.984–1.005)

0.997 (0.989–1.004)

1.009 (0.969–1.051)

1.012 (0.992–1.033)

0.919

(0.804, 1.049)

0.993

(0.980, 1.007)

0–3

1.006 (0.991–1.022)

1.007 (0.996–1.017)

1.119 (1.045–1.199)

1.067 (1.036–1.099)

1.113

(0.941, 1.316)

0.991

(0.971, 1.012)

  1. a For PM2.5, PM10, SO2, NO2, and O3, the relative risks were associated with increments of 10 μg/m3; for CO, the increment was 1 mg/m3