결핵성 수막염 진단을 위한 지표의 타당성 평가
Diagnostic validity of weighted diagnostic index scores for tuberculous meningitis in adults
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참고문헌
키워드
초록
Background/Aims: Tuberculous meningitis is a common, occasionally fatal infectious disease of the central nervous system. We evaluated the diagnostic validity of weighted diagnostic index scores (WDIS), which have been suggested to aid in the diagnosis of adult patients with tuberculous meningitis, on the basis of simple clinical and laboratory findings. Methods: The microbiological and clinical data of adult patients with either tuberculous or bacterial meningitis were reviewed retrospectively. Diagnostic validity and WDIS cut-off values were evaluated by receiver operating characteristic (ROC) curve analysis. Results: A total of 77 cases were included: 47 with tuberculous meningitis and 30 with bacterial meningitis. For the diagnosis of tuberculous meningitis, the sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of WDIS suggested by Thwaites (cut-off value of ≤ 4) were 100, 90, 94 and 100%, respectively. Based on ROC curve analysis (area under ROC curve = 0.993), a cut-off value of ≤ 3 was most appropriate for the diagnosis of tuberculous meningitis. The sensitivity and specificity of WDIS with a cut-off value of ≤ 3 were 100 and 93.3%, respectively. Conclusions: Our study demonstrated that WDIS are highly predictable and acceptable for the early diagnosis of tuberculous meningitis in Korea, based on our analysis of clinical and laboratory findings. A cut-off value of ≤ 3 showed the best diagnostic validity. (Korean J Med 75:316-321, 2008)
Abstract
Background/Aims: Tuberculous meningitis is a common, occasionally fatal infectious disease of the central nervous system. We evaluated the diagnostic validity of weighted diagnostic index scores (WDIS), which have been suggested to aid in the diagnosis of adult patients with tuberculous meningitis, on the basis of simple clinical and laboratory findings. Methods: The microbiological and clinical data of adult patients with either tuberculous or bacterial meningitis were reviewed retrospectively. Diagnostic validity and WDIS cut-off values were evaluated by receiver operating characteristic (ROC) curve analysis. Results: A total of 77 cases were included: 47 with tuberculous meningitis and 30 with bacterial meningitis. For the diagnosis of tuberculous meningitis, the sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of WDIS suggested by Thwaites (cut-off value of ≤ 4) were 100, 90, 94 and 100%, respectively. Based on ROC curve analysis (area under ROC curve = 0.993), a cut-off value of ≤ 3 was most appropriate for the diagnosis of tuberculous meningitis. The sensitivity and specificity of WDIS with a cut-off value of ≤ 3 were 100 and 93.3%, respectively. Conclusions: Our study demonstrated that WDIS are highly predictable and acceptable for the early diagnosis of tuberculous meningitis in Korea, based on our analysis of clinical and laboratory findings. A cut-off value of ≤ 3 showed the best diagnostic validity. (Korean J Med 75:316-321, 2008)
참고문헌 (13)
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