title: [Study on geographic distribution of smear-positive pulmonary tuberculosis with trend-surface analysis].
abstract: The Trend-surface Analysis method was used to study the geographic distribution of smear-positive pulmonary tuberculosis prevalence in China. The prevalence data used in this article was cited from Nation-wide Tuberculosis Surveys in 1979 and 1990. The results showed that smear-positive pulmonary tuberculosis prevalence had obvious characteristics of geographic distribution and the characteristics had been changed within 11 years. In a word, the smear-positive pulmonary tuberculosis prevalence distribution tallies with their quality of tuberculosis control.
authors.affiliation: National Tuberculosis Control and Research Center, Ministry of Public Health, Tongxian, Beijing.
authors.forename: L X
authors.initials: LX
authors.lastname: Wang
authors.forename: S G
authors.initials: SG
authors.lastname: Liu
authors.forename: X J
authors.initials: XJ
authors.lastname: Wang
mesh_terms: D002681:China / Q000453:epidemiology; D015331:Cohort Studies; D005260:Female; D006801:Humans; D008297:Male; D015999:Multivariate Analysis; D009169:Mycobacterium tuberculosis / Q000302:isolation & purification; D015995:Prevalence; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology* / Q000382:microbiology