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Table 4 Accuracy of the proposed scoring system for the diagnosis of HV K. pneumoniae infection

From: Development of risk factor-based scoring system for detection of hypervirulent Klebsiella pneumoniae bloodstream infections

Score Liver abscess (+) Liver abscess (−) Sensitivity Specificity Youden’s index (J)
≥ 0 10 212 1 0 0
≥ 1 10 101 1 0.52 0.52
≥ 2 7 12 0.70 0.94 0.64
3 3 3 0.30 0.99 0.29
Number in sample 10 212