| epidemiology of nontuberculous mycobacteria in patients without hiv infection, new york city. | we reviewed medical records of patients without known hiv and with positive cultures for nontuberculous mycobacteria (ntm) isolated during 2000-2003 from 1 large hospital in new york, new york. overall, 505 patients had positive ntm cultures; 119 (24%) met the criteria for ntm disease. the difference between demographic characteristics of case-patients in our study (66% female, 61% white, and 59% > 60 years of age) and those of the base population as determined by regional census data was statis ... | 2008 | 18325252 |