Table 4 Factors associated with disease progression in patients with nontuberculous mycobacterial pulmonary disease

Age, years

0.98 (0.95–1.01)

0.190

0.97 (0.94–0.99)

0.038

Male sex

1.73 (0.78–3.86)

0.180

0.91 (0.36–2.32)

0.846

Body mass index, kg/m²

0.97 (0.86–1.09)

0.571

Former or current smoking

0.96 (0.35–2.67)

0.941

Comorbidities

 History of tuberculosis

1.20 (0.70–2.07)

0.500

 Diabetes

1.06 (0.39–2.92)

0.917

 Chronic obstructive pulmonary disease

1.37 (0.43–4.38)

0.360

 Malignancy

0.89 (0.38–2.08)

0.792

 Rheumatoid arthritis

1.42 (0.72–2.82)

0.319

AFB smear positivity

2.03 (1.13–3.64)

0.018

2.65 (1.41-5.00)

0.003

M. abscessus versus M. avium complex

1.46 (0.73–2.89)

0.283

Presence of cavity

2.23 (1.28–3.85)

0.004

2.45 (1.30–4.60)

0.006