We studied the clinical features of sixty-one patients with non-tuberculous pulmonary mycobacteriosis (NTM), who were newly diagnosed at five national hospitals in Kinki area during 1993.
The study subjects were composed of 31 patients with
M. avium complex (MAC) disease (20 males and 15 females), 21 with
M. kansasii (MK) disease (19 males and 3 females), 2 males with
M. szulgai (MS) disease and 2 females with
M. chelonae (MC) disease.
The rate of NTM to all culture proven mycobacteriosis was 20.2% and the rate of NTM to all culture proven, newly discovered mycobacteriosis was 18.2% and the rates were higher than Sakatani's report in 1994 (14.0% in 1991). The ratio of MK to MAC was 22: 35, and the ratio of MK was higher than the report of Sakatani.
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