Research Article

Clinical Relevance of Nontuberculous Mycobacteria Isolated from Sputum in a Gold Mining Workforce in South Africa: An Observational, Clinical Study

Table 5

Probability of remaining in the workforce during follow-up for individuals with the three predominant NTM species.

Species6 months
(%, 95% CI)
12 months
(%, 95% CI)
24 months
(%, 95% CI)

M. gordonae 93.8 (82.0–98.0)85.0 (91.0–92.5)80.3 (65.5–89.3)
M. kansasii 87.3 (73.9–94.1)78.4 (63.5–87.8)69.2 (53.6–80.5)
M. avium complex88.3 (71.7–95.4)81.7 (63.7–91.4)72.9 (52.9–94.4)