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. 2013 Mar 6;8(3):e58214. doi: 10.1371/journal.pone.0058214

Table 4. Factors associated with the amount of annual FVC decline in patients with NTM pulmonary disease, by linear regression analysis.

Variables Beta p value 95% C.I.
M. kansasii pulmonary disease 0.227 0.062 −0.342–−0.008
Baseline pulmonary function: FEV1>50% vs. FEV1≤50% 0.263 0.032 0.012–0.263

NOTE. NTM, non-tuberculous mycobacteria; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 second.