Table 3

Crude and age-standardized incidence (per 100,000 persons-years) within subcategories of ILD in Denmark 1995–2000

Subcategories
and diseases
ICD code
Cases
(N)
Incidence
rates Crude
(95% CI)*
Incidence rates
Age-standardised
(95% CI)*

Coalworkers' pneumoconiosis
J60
7
0.02 (0.01–0.04)
0.02 (0.00–0.03)
Pneumoconiosis due to asbestos and other mineral fibres
J61
540
1.70 (1.56–1.85)
1.01 (0.92–1.09)
Pneumoconiosis due to dust containing silica
J62
116
0.37 (0.30–0.43)
0.24 (0.19–0.29)
Pneumoconiosis due to other inorganic dusts
J63
45
0.14 (0.10–0.18)
0.10 (0.07–0.13)
Unspecified pneumoconiosis
J64
229
0.72 (0.63–0.82)
0.41 (0.35–0.47)
Pneumoconiosis associated with tuberculosis
J65
13
0.04 (0.02–0.06)
0.05 (0.02–0.08)
Hypersensitivity pneumonitis due to organic dust
J67
255
0.80 (0.71–0.90)
0.68 (0.59–0.77)
Respiratory conditions due to inhalation of chemicals, gases, fumes and vapours
J68 (except J68.2)
549
1.73 (1.59–1.88)
1.62 (1.48–1.77)
Pneumonitis due to solids and liquids
J69
1,449
4.57 (4.34–4.81)
3.86 (3.63–4.10)
Respiratory conditions due to other external agents
J70 (except J70.8, J70.9)
174
0.55 (0.47–0.63)
0.38 (0.32–0.45)
Pulmonary eosinophilia, not elsewhere classified
J82
299
0.94 (0.84–1.05)
0.63 (0.56–0.71)
Idiopathic pulmonary fibrosis
J84.1
2,303
7.27 (6.97–7.57)
4.17 (3.99–4.36)
Other interstitial pulmonary diseases except idiopathic pulmonary fibrosis
J84
(except J84.1)
2,374
7.49 (7.19–7.80)
4.89 (4.68–5.10)
Respiratory disorders in diseases classified elsewhere
J99
691
2.18 (2.02–2.34)
1.83 (1.68–1.99)
Rheumatoid lung disease
J99.0
4
0.01 (0.00–0.02)
0.01 (0.00–0.02)
Respiratory disorders in other diffuse connective tissue disorders
J99.1
20
0.06 (0.04–0.09)
0.05 (0.03–0.08)
Respiratory disorders in other diseases classified elsewhere
J99.8
66
0.21 (0.16–0.26)
0.19 (0.14–0.24)
Langerhans'cell histiocytosis
D76.0
85
0.27 (0.21–0.33)
0.37 (0.29–0.45)
Sarcoidosis with lung involvement
D86.0 or D86.2
1,189
3.75 (3.54–3.97)
3.27 (3.08–3.46)

*CI: confidence interval

Kornum et al. BMC Pulmonary Medicine 2008 8:24   doi:10.1186/1471-2466-8-24