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Table 1 The efficiency of synovial LE test compared with the results of synovial fluid culture

From: Determination of diagnostic value (validity) leukocyte esterase (urine dipstick strip) in differentiating inflammatory arthritis from bacterial arthritis

Diagnostic testSensitivitySpecificityPPVNPV
Synovial LE80.8%78.6%70.0%86.8%
  1. PPV = Positive Predictive Value. NPV = Negative Predictive Value. LE = leukocyte esterase