Susceptibility to short-term ozone exposure and cardiovascular and respiratory mortality by previous hospitalizations

Table 1 Characteristics and categorization of cardiovascular (ICD-9 390–459; ICD-10 I00-I99) and respiratory (ICD-9 460–519; ICD-10 J00-J99) deaths by previous admissions for diseases among Stockholm County residents ≥30 years old, 1990–2010

Categorization of mortality	Diagnosis of hospital admission		Total	Percent	Mean age (SD)	Female (%)
Categorization of mortality	ICD-9	ICD-10	Total		Mean age (SD)	Female (%)
A. Total cardiovascular deaths			136,624	100	81 (10)	54.1
Individuals previously hospitalized for
i) AMI	410	I21-I22	20,948	15.0	81 (11)	47.3
ii) Non-AMI CVD	390–409, 411–459	I00-I20, I23-I99	60,346	44.2	81 (10)	54.7
iii) Respiratory diseases	460–519	J00-J99	5919	4.4	81 (10)	51.2
iv) Diabetes	250	E10-E14	1081	1.0	81 (10)	51.4
v) Other diseases	All except above	All except above	24,283	18.0	81 (10)	60.1
vi) Not hospitalized in 0–3 years^a			16,190	12.0	83 (11)	58.0
vii) Not hospitalized since 1987			7417	5.4	73 (13)	41.2
B. Total respiratory deaths			23,281	100	80 (10)	53.1
Individuals previously hospitalized for
i) COPD	490–496	J40-J47, J67	5774	25.0	80 (11)	52.6
ii) Pneumonia	480–486	J12-J18	6003	26.0	79 (11)	45.6
iii) Other respiratory diseases	460–480, 486–490, 497–519	J00-J11, J19-J40, J48-J66, J68-J99	1648	7.0	80 (11)	49.8
iv) Other diseases	All except above	All except above	6774	29.0	79 (11)	56.4
v) Not hospitalized in 0–3 years^a			2442	10.0	84 (11)	65.8
vi) Not hospitalized since 1987			640	3.0	80 (14)	54.0

Note: All categories are mutually exclusive
^aThese individuals had hospitalizations between 1987 and up to 3 years preceding their death but not in the 3 years preceding death

ISSN: 1476-069X