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Is the Tuberculosis Case Reporting Rate of Medical Care Institutions in Private Sector low?
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Jong Seon Han, Won Gi Jhang, Young Hwangbo, Sung Soo Lee, Moran Ki
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Korean J Epidemiol. 2008;30(2):230-238. Published online December 31, 2008
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DOI: https://doi.org/10.4178/kje.2008.30.2.230
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Abstract
PURPOSE
To estimate the reporting rate of tuberculosis in one medium-sized city in Korea.
METHODS Data claimed by national health insurance corporationand notification data of KTBS (Korea Tuberculosis Surveillance System) were compared through medical record-linkage method. Regarding the cases that were claimed medical care fee as tuberculosis but not notified to KTBS, we reviewed medical charts of the patients and investigated the reasons of failure to notify.
RESULTS Number of cases claimed health insurance fee as tuberculosis occurrences in Cheonan was 2,331 in 2007, while 956 cases were matched as notified cases to KTBS after electronic record-linkage by personal identifier. Among remaining 1,375 cases that were not matched, real missed cases through medical record review survey were found to be 104. The reasons of failure to notify were because of 'not tuberculosis patients' (500, 36.4%), 'notified in 2006' (421, 30.6%), 'diseases coding error' (341, 24.8%) and 'notified as other diseases' (9, 0.7%). Therefore, the corrected reporting rate was calculated at 93% (95% CI: 91.6% - 94.2%). Notably, reporting rate of clinics (58.1%) was significantly lower than those of hospitals (93.4%) or general hospitals (96.6%).
CONCLUSIONS All cases of tuberculosis diagnosis, which were claimed and not notified, were verified, the reporting rate was not as low as that of the data known through media.
However, to reach the goal of tuberculosis elimination (reporting rate over 95%), more effort into improvement of the reporting system is necessary.
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Summary
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An epidemiological investigation of typhoid fever outbreaks in a hot spring resort town and its satellite rural villages
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Joung Soon Kim, Yong Heo, Sung Soo Lee, Duk Hyoung Lee, Kun Young Shon, Sung Woo Lee
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Korean J Epidemiol. 1988;10(1):92-101.
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Abstract
An epidemiological investigation was carried out to identify source of infection and mode of transmission of typhoid fever outbreak, which has occurred in a hot spring resort town and its satellite rural villages from the begining of the march 1988. The investigation was carried out for two days, April 16th and 17th, on hospitalized patients and the villages where confirmed cases had been reported. The results obtained are as followings：
1. The S. Typhi isolated from 47 patients were all the same phage type that was untypable phage Type.
2. The incidence rate of typhoid fever among surveyed population, the populations belong to the same Ban (about 20-50 households) of the patients re¬ported, was 13.2% in hot spring resort town and 9.8% for the satellite villagers.
3. The incidence showed no difference between male and female population as a whole although for the age groups of 0-9 years old and 10-19 years old the incindence rates were much higher among males, and for the age groups of 20-29 years old, 30-39 years, and 40-49 years the rates were higher among females; for the age group of 20-29 years, female’s rate was as high as 5 times of males. The lowest rate was found among older ages.
4. The study results suggested that the source of infection was primarily water supply contaminated by sewage; the central water supply has been under repair for replacement of broken pipes almost for a month, from the end of February and the begining of April, in on and off fashion.
Supportive data are presented in the text.
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Summary
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Case-control study on some risk factors and status of disease control of hypertension in rural community
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Sung Hyun Han, Yang Ho Kim, Sung Soo Lee
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Korean J Epidemiol. 1986;8(1):23-36.
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The main objectives of this study were to find the important risk factors of hypertension in rural area, to establish the criteria of diagnosis of hypertension at public health care level, and to develop proper educational materials for its prevention and care by community health workers.
This study is a part of Eumseong Community Health Project supportes by GTZ(West German Government) and the government of Republic of Korea.
330 perceived cases of hypertension were first screened by health interview and examinations, and 146 cases were diagnosed as a hypertension group. For comparison, 176 cases were as signed as a control group. Therefore, a total of 322 cases were selected for this study. The results of this study can be summarized as fellows;
1) The significant influencing risk factors to the hypertension was genetic factors, amount of salt intake, degree of obesity, level of serum cholesterol and urine protein, and the findings of EKG. The logit regression analysis indicated that among these risk factors, the first in explaining of value was the findings of EKG(1.21) and the next, amount of salt intake (0.58) serum cholesterol level (0.48), genetic factors (0.32).
2) For treatment of hypertension, it was found that only 23.6% of them visited clinic or hospital once or more and 39.3% used drug store, herb-medicine and other indegeneous methods. But 47.1 % of them were “never treated” for hypertension
3) In care of patients by family members, only 22.9% of the patients have been cared by family members (spouse and/or child) but the lest of them said they were neglected to care by their family members.
The results of this study revealed that the hypertension patients and their family members did not consider hypertension as a serious problem and made little efforts to receive proper care. Also, no public health program of this chronic disease have yet provided. Based on this findings in rural Korea, the authors urged that it is urgently needed to formulate the hypertention control and care program for its prevention and early case findings.
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