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Bronchography in Pulmonary Tuberculosis

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The majority, 160 (59.0%) of the subjects had been working in their units for more than two years while 64 (23.6%) had not spent up to one year in their various units. Most 254 (93.7%) reported negative history of chronic cough while a higher percentage 257 (94.8%) denied any history of smoking. In relation to alcohol consumption, 44 (16.2%) gave history of alcohol intake, the majority 208 (76.8%) gave a negative history while 19 (7.0%) did not give any definite answer. Eleven (4.1%) subjects agreed to recently have contact with patients with chronic cough, 178 (65.7%) gave negative response while 82 (30.3%) did not answer the question. Concerning previous history of tuberculin skin.