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논문 기본 정보

자료유형
학술저널
저자정보
표정윤 (연세대학교) 안성수 (연세대학교) 송정식 (연세대학교) 박용범 (연세대학교) 이상원 (연세대학교)
저널정보
대한류마티스학회 대한류마티스학회지 대한류마티스학회지 제29권 제3호
발행연도
2022.7
수록면
154 - 161 (8page)
DOI
10.4078/jrd.2022.29.3.154

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Objective: We investigated whether modified body mass index (mBMI) at diagnosis could predict all-cause mortality during follow-up in patients with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV). Methods: The medical records of 203 AAV patients with BMI ≥18.5 kg/m2 were reviewed. mBMI was calculated using an equation: mBMI=BMI (kg/m2)×serum albumin (g/L). All-cause mortality was considered as a poor outcome, and the follow-up duration based on all-cause mortality was defined as the period from AAV diagnosis to death for deceased patients, and the period from AAV diagnosis to the last visit for surviving patients. Results: The median age was 59.0 years (35.5% were male). The median BMI and mBMI were 22.8 kg/m2 and 813.2 kg · g/m2 · L. Twenty-five patients (12.3%) died. mBMI was well correlated with age, BVAS, FFS, erythrocyte sedimentation rate and C-reactive protein at diagnosis. Deceased patients exhibited significantly lower mBMI at diagnosis compared to surviving patients. AAV patients mBMI ≤570.1 kg · g/m2 · L showed a significantly higher frequency of all-cause mortality (38.5% vs. 8.5%), and furthermore, exhibited a significantly higher risk for all-cause mortality than those with mBMI >570.1 kg · g/m2 · L (RR 6.750). mBMI ≤570.1 kg · g/m2 · L showed a significantly lower cumulative patients’ survival rate than those with mBMI >570.1 kg · g/m2 · L. In the multivariable Cox hazards model analysis, either serum albumin or mBMI was significantly associated with all-cause mortality in AAV patients. Conclusion: In conclusion, mBMI ≤570.1 kg · g/m2 · L at diagnosis may be a useful predictor of all-cause mortality during followup additionally to serum albumin in AAV patients.

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