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Table 1 Basic characteristics of cardiovascular disease and respiratory disease admissions in Wuhan (Oct 1, 2016 to Dec 31, 2018)

From: Effect of ambient fine particulates (PM2.5) on hospital admissions for respiratory and cardiovascular diseases in Wuhan, China

Characteristic

Cardiovascular diseases (n = 332,090)

Respiratory diseases (n = 159,365)

Age [mean ± SD (years)]

63.69 ± 17.58

68.17 ± 10.42

Age group [n (%)]

 < 45

20,089 (6)

25,212 (16)

 45–54

41,956 (13)

18,507 (12)

 55–64

79,240 (24)

32,206 (20)

 65–74

85,869 (26)

35,292 (22)

 > 74

104,936 (31)

48,148 (30)

Sex [n (%)]

 Men

181,133 (55)

90,961 (57)

 Women

150,957 (45)

68,404 (43)

Sub-diagnoses [n (%)]

 COPD

 

41,467 (26)

 Hypertension

51,790 (16)

 

 CHD

97,846 (29)

 

 Stroke

113,967 (34)

 

Season at admission [n (%)]

 Warm

163,495 (49)

74,358 (47)

 Cold

168,595 (51)

85,007 (53)

  1. SD standard deviation, warm April to September, cold October to March of the next year