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KMID : 0356719960120010031
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Journal of the Korean Society of Coloproctology
1996 Volume.12 No. 1 p.31 ~ p.40
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Discriminant Equation Predicting the Perforation Status for Acute Appendicitis Patients
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Min Seok-Ki
Lee Jun-Hee
Jung Byung-Wook
Oh Min-Gu
Bae Sung-Han
Park Dong-Il
Ahn Woo-Sub
Seo Jung-Wook
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Abstract
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To investigate the risk factors associated with the perforation of appendix in the appendicitis patient, we reviewed the medical records of 227 patients operated and proven histopathologically to be acute appendicitis in Kyung-Ju hospital of Dong-Guk University, from November 1, 1993 to October 31, 1994. Of 227 appendectomy patients, 62(27.3%) were perforated
The factors significant for the perforation of appendix were the age of patient, symptom duration, fever and the severity of abdominal pain, tenderness, rebound tenderness, abdominal wall rigidity(p< 0.05). The operative mortality was nil and the overall rate of postoperative complication was 3.5%. The rate of complication of perforated cases(8.1%) was significantly higher than that(2.4%) of unperforated cases and the mean hospital stay of perforated cases(11.85 dyas) was significantly longer than that(7.38 days) of unperforated cases(p<0.05). We performed discriminant analysis to predict the Perforation status preoperaively for the patients with appendicitis by inputing 4 factors significant for the perforation of appenidix such as the age of patient, symptom duration and severity of abdominal pain, abdominal wall rigidity. By using this elation, we can predict the perforation status of appendix correctly with level of 81.94％ accuracy.
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KEYWORD
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Appendicitis, Perforation
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