Table 1 Patient demographics at diagnosis of pneumocystis pneumonia in 82 patients
Characteristics | No. | (%) |
|---|---|---|
Age, years (range) | 64 | (19-82) |
Male sex | 51 | (62%) |
Underlying disease | Â | Â |
   Inflammatory disease | 50 | (61%) |
Rheumatoid arthritis | 17 | (21%) |
Systemic lupus erythematosus | 10 | (12%) |
Vasculitis | 7 | (9%) |
Inflammatory myopathy | 4 | (5%) |
Pemphigus or pemphigoid | 3 | (4%) |
Miscellaneous | 11 | (13%) |
   Solid malignancy | 17 | (21%) |
Lung cancer | 9 | (11%) |
Other tumors | 8 | (10%) |
   Hematological malignancy | 12 | (15%) |
Malignant lymphoma | 6 | (7%) |
Myelodysplastic syndrome | 3 | (4%) |
Miscellaneous | 3 | (4%) |
   Organ transplantation | 6 | (7%) |
Kidney | 3 | (4%) |
Liver | 2 | (2%) |
Bone marrow | 1 | (1%) |
   Fulminant hepatitis | 2 | (2%) |
   Pulmonary disease other than lung cancer | 18 | (22%) |
Interstitial pneumonia | 9 | (11%) |
Chronic obstructive pulmonary disease | 4 | (5%) |
Miscellaneous | 5 | (6%) |
Current or ex-smoker | 28 | (34%) |