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Table 3 The efficiency of synovial LE test compared with the results of synovial WBC count

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

Diagnostic testSensitivitySpecificityPPVNPV
Synovial LE83.3%70.0%50.0%92.1%
  1. PV = Positive Predictive Value. NPV = Negative Predictive Value. LE = leukocyte esterase