Skip to main content

Table 2 Distribution of daily cardiac arrhythmia hospital admissions, meteorological data and air pollutants in 26 Chinese cities, 2014–2015

From: The effect of ambient particle matters on hospital admissions for cardiac arrhythmia: a multi-city case-crossover study in China

Variable

Mean ± SD

Minimum

Percentile

Maximum

IQR

25th

50th

75th

PM2.5 (μg/m3)

63.5 ± 50.6

5.1

31.5

49.4

79.0

897.5

47.5

PM10 (μg/m3)

106.8 ± 71.9

7.4

58.3

89.4

135.2

977.3

76.9

SO2 (μg/m3)

29.6 ± 32.6

1.9

11.4

18.8

33.6

316.9

22.2

NO2 (μg/m3)

44.1 ± 19.4

4.5

30.0

40.2

54.1

175.8

24.1

CO (mg/m3)

1.15 ± 0.63

0.14

0.76

0.99

1.32

8.41

0.56

Temperature(°C)

14.5 ± 10.9

−25.7

7.0

16.4

23.3

35.5

16.3

Relative humidity (%)

69.2 ± 33.2

8

53

69

80

97

27

Daily arrhythmia admissions

240.1 ± 129.8

2

93

270

320

555

227

  1. SD standard deviation, IQR interquartile range