Table 1 Characteristics of PCP patients without HIV infection (n = 21)

Sex

  Male

11

52.4

  Female

10

47.6

Underlying disease

  Rheumatic and autoimmune diseases

12

57.1

  Malignancy

10

47.6

  Diabetes mellitus

4

19.0

  Chronic pulmonary diseases

6

28.6

  Heart diseases

4

19.0

  Cerebrovascular diseases

2

9.5

  Renal diseases

2

9.5

  Liver disease

2

9.5

Long-term glucocorticoids alone

4

19.0

Immunosuppressants alone /chemotherapeutic agents alone

6

28.6

Long-term glucocorticoids combined with chemotherapeutic/immunosuppressive agents

7

33.3

PCP prophylaxis

1

4.8