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오영배,O, Yeong-Bae 한국정보통신기술협회 2006 TTA저널 Vol.105 No.-
소프트웨어 품질에 대한 관심이 높아져 가면서 소프트웨어 제품 품질평가 기술에 대한 필요성이 부각되고 있다. 소프트웨어 제품 품질에 대한 국제 표준으로서 ISO 표준이 세계적인 주도권을 잡고 있으나 아직도 지속적인 진화과정을 겪고 있다. 본 고에서는 ISO를 위시하여 IEEE 등의 국제 표준과 미국, 일본 등의 품질평가 표준화 동향을 살펴보고, 국내의 표준화 현황을 알아보고자 하며, 세계 표준에 대응하기 위한 국내 표준화의 문제점을 살펴보고 향후 대응방안을 고찰해 보고자 한다.
오영배,문찬희,김희연,이상무 대한천식알레르기학회 1997 천식 및 알레르기 Vol.17 No.2
We studied sputum eosinophil count of patients with chronic cough. Differential count of sputum cells(simple direct smear with Wright stain) were successfully examined in 44(73%) among 60 patients with chronic cough. The patients were divided according to PC20 value, 20(45% ) patients had increased airway hyper responsiveness(AHR)(PC20 < 24mg/mL), remained 24 patients did not have any evidence of airway AHR. Age, sex, duration and severity of symptoms, serum total IgE and positive skin test reaction were not different between two groups. In patients with increased AHR, increased sputum eosinophil ratio(10%) was found in 11 patients (55 % ) and increased peripheral blood eosinophil ratio(>5%) was found in 66% of patients with increased AHR. In patients without increased AHR, increased sputum eosinophil ratio was found in three patients(12% ) and increased peripheral blood eosinophil ratio was found in 24%. This discrepancy between two groups was statistically significant(p<0.01), In regarding to sputum eosinophilia, increased sputum eosinophil ratio was in 14(32 %) of 44 patients with chronic cough. Eleven patients(78% ) of them had increased AHR. Only nine(30% ) among 30 pstients without sputum eosinophilia had increased AHR. These discrepancies between two groups were statistically significant(p<0. 01). To predict AHR, sputum eosinophilia has 55% of sensitivity and 88% of specificity. Significant positive correlation between peripheral blood eosinophil ratio and sputum eosinophil ratio was found in pstients with cough variant asthma (r=0.76, p<0.01). We suggest that simple direct smear for sputum eosinophil count could be an useful test to diagnose the patients with chronic cough.