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Volume 16, Number 2—February 2010

Dispatch

Concurrent Silicosis and Pulmonary Mycosis at Death

Yulia Iossifova1, Rachel Bailey, John Wood, and Kathleen KreissComments to Author 
Author affiliations: Centers for Disease Control and Prevention, Morgantown, West Virginia, USA; 1Current affiliation: Centers for Disease Control and Prevention, Chamblee, Georgia, USA.

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Table 1

Cause of death with any death certificate mention of selected pneumoconioses and mycoses (underlying or contributing cause), US residents >45 y of age, 1979–2004*

Cause No. deaths Mycoses, no. (%)
Prevalence rate ratio† (95% CI)
Any mention
Underlying cause
Any mention
All Pulmonary All Pulmonary All Pulmonary‡
Silicosis 6,723§ 48 (0.71) 37 (0.55) 25 (52) 21 (57) 4.5 (3.4–6.0) 9.5 (6.9–13.1)
Asbestosis 23,899§ 58 (0.24) 46 (0.19) 22 (38) 18 (39) 1.5 (1.2–2.0) 3.3 (2.5–4.4)
CWP 46,088§ 72 (0.16) 38 (0.08) 29 (40) 16 (42) 1.0 (0.8–1.2) 1.4 (1.0–2.0)
All other deaths¶ 51,677,216 81,699 (0.16) 29,914 (0.06) 33,941 (42) 12,982 (43) NA NA

*Data from National Center for Health Statistics (www.cdc.gov/nchs/products/elec_prods/subject/mortmcd.htm). CI, confidence interval; CWP, coal worker pneumoconiosis; NA, not applicable.
†Proportion of decedents with each selected pneumoconiosis who had mycosis coded as the underlying cause of death or as a contributing cause of death on the entity axis compared with the analogous proportion of pulmonary mycosis decedents without any mention of a selected pneumoconiosis as underlying cause of death or a contributing cause of death on the entity axis (all other deaths).
‡When International Classification of Diseases (ICD) 9th or 10th revision codes for opportunistic mycoses and ICD-10 codes for unspecified types of mycoses were excluded, the prevalence rate ratio and 95% CI for deaths with any mention of silicosis became 10.4 (7.5–14.4); asbestosis 3.3 (2.4–4.4); and CWP 1.5 (1.1–2.1).
§No. persons who died for which the selected pneumoconiosis was coded as the underlying cause of death or as a contributing cause of death on the entity axis, excluding decedents with multiple pneumoconioses.
¶Excludes deaths with any mention (underlying or contributing cause) of silicosis, asbestosis, and/or CWP.

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