The summary of the findings on the pattern of infectious and parasitic diseases in Korea reflected on the hospital in-patients morbidity statistics is as follows.
The analysis was made on the morbidity data of a total of 352,829 patients of 18 hospitals discharged in 1983 or 1984 with emphasis on 1) the proportion of those with infectious and parasitic diseases among all patients, 2) the infectious and parasitic diseases which are currently rarely diagnosed at hospital, 3) the leading specific diseases in each category of infectious and parasitic diseases.
1. The proportion of patients who were diagnosed as having infectious or parasitic diseases turned out to be 7.9% of all hospitalized patients and it ranked 6th in size among 17 categorized disease groups.
2. Of those with infectious and parasitic diseases the most frequently diagnosed was the "Intestinal Infectious Diseases (ICD code 001-009)" which occupied 31% and the second in size was the "Tuberculosis (010-018)" occupying 29%, which are followed by "Other Diseases due to Viruses and Chlamydia (070-079)" 13%. It shows that 73% of all patients with infectious and parasitic diseases fall into these three groups of diseases.
3. The disease rarely diagnosed among infectious and parasitic diseases turned out to be "Rickettsioses and other Arthropod-borne Diseases(ICD code 080-088)" and "Late Effects of Infectious and Parasitic Diseases(ICD code 137-139)" which were totally missed from the patients lists of 14 out of a total of 18 hospitals. The other groups of diseases which are also rarely diagnosed are "Zoonotic Bacterial Diseases(ICD code 020-027)" which contains plague, Tularemia, Anthrax etc., and "Other Spirochaetal Diseases(ICD code 100-104)" of Leptospirosis, Vincent´s Angina, Yaws etc., which were missed from the list of patients of 12 out of 18 hospitals.
4. The most frequently encountered diseases in each of leading group of infectious and parasitic diseases are as follows.
1) Among the Intestinal Infectious Diseases the most frequent ones were "Colitis, Enteritis and Gastro-enteritis of presumed Infectious Origin (009.1)" which occupied 53% and followed by "Typhoid fever (002.0)" of 14%.
2) The hospitalized tuberculosis patients were mostly consisted of Pulmonary Tuberculosis of 73% followed by Tuberculosis of Bones and Joints of 7% and Tuberculosis of Intestines and Peritoneum of 6%.
3) The Viral Hepatitis (ICD code 070) constitutes the most or 81% of all "Other Diseases due to Virus and Chlamydiae (ICD code 070-079)"
4) Septicaemia (038) constitutes 65% and Whooping Cough (033) 9% respectively of all "Other Bacterial Diseases".
5) Most patients belonging to "Helminthiasis (120-129)" were due to Clonorchiasis (121.1) which occupied 44% followed by Trichuriasis (127.5) 23% and Ascariasis (127.0) 12% of them.
6) Of all patients with Viral Diseases accompanied by Exanhem (050-057) the patients due to Measles (055) occupied 42%, Herpes zoster (053) 20%, Herpes simplex (054) 14% and Chickenpox (052) 11%, respectively.
7) The patients with Mycoses (ICD code 110-118) were mostly due to Der-matophytosis and Candidiasis which constitute 57% and 34% of them respectively.
8) Of all "Syphilis and Other Venereal Diseases (090-099)" the patients with "Syphilis, Unspecified" constitute 28% and with "Latent Syphilis, Unspecified" 20% which are followed by those with "Congenital Syphilis" 19%, respectively.
9) Ninety two per cent of the patients belonging to "Poliomyelitis and Other Non-arthropod-borne Viral Diseases of Central Nervous System (045-049)" were those with Meningitis (047) due to Enterovirus.
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