The clinical manifestations in 50 non-tuberculous mycobacteria (NTM) patients with a C4 deficiency.

Values are expressed as number (%) of patients, unless otherwise stated. aUnderlying diseases classified according to the criteria of McCabe classification: 1) healthy i.e. no other diseases 2) non-fatal chronic diseases 3) ultimately fatal diseases with expected life expectancy of maximally 5 years 4) rapidly fatal diseases with expected survival for no more than 6 months. bp = 0.042. cTwo female patients had both C4A<2 and C4B<2 deficiency and one female had a total C4A deficiency. dOne female patient had both C4A<2 and C4B<2 deficiency.