Clinical finding

n = 202

Age (Mean ± S.D., years)

67.2 ± 12.5

Sex (Male: Female)

70: 132

Smoking history (+)

71 (50%)

Underlying disease (+) (with repetition)

132 (65%)

Respiratory disease

48 (24%)

Old pulmonary tuberculosis

15

COPD

12

Non-respiratory disease

92 (46%)

Causative microorganisms

M. avium

100 (50%)

M. intracellulare

79 (39%)

M. kansasii

14 (7%)

Others

9 (4%)

Radiological findings

Portion

Bilateral

141 (70%)

Unilateral

61 (30%)

Extension#

1

66 (33%)

2

116 (57%)

3

20 (10%)

Cavity

127 (63%)

Treatment

Combined chemotherapy

131 (65%)

Surgical operation

9 (4%)

Outcome

Died

9 (4%)