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Korean Journal of Epidemiology 1990;12(1): 44-56.
탄광부 진폐증자의 흉부 방사선 소견에 따른 사망률 연구
이경용, 이관형, 정호근
Survival analysis of coal worker's pneumoconiosis by radiological findings
Kyung Yong Rhee, Gwan Hyeong Yi, Ho Keun Chung
Abstract
The authors investigated mortality rates and survival curves of coal workers’ pneumoconi-oses(CWP) in hospitalization by radiological findings with covariates, i.e.. age, emphysema, and pulmonary tuberculosis. Study subjects were composed of 738 patients entered the cohort in diffent years. There were differences in survival curves of CWP according to radiological findings controlled by the covariates. Mortality rate of large opacity group at five years was higher than that of small opacity group. The mortality rate of the group of irregular shape was also higher than that of rounded shape. There were differences in the pattern of survival curves of each group of profusion 1, 2, and 3 controlled by the covariates. In large opacity groups, A, B, and C, there were also differences in the pattern of survival curves.


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