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Table 3 Summary of Validation Results – Positive Predictive Values

From: Chart validation of an algorithm for identifying hereditary progressive muscular dystrophy in healthcare claims

Diagnosis Confirmed in Medical Chart

n

Confirmed Cases

PPV % (95% CI)

Muscular Dystrophy

109

103

95 (88–98)

 Duchenne or Becker MD

103

87

85 (76–91)

  Duchenne

103

76

74 (64–82)

  Becker

103

11

11 (5–18)

  1. CI confidence interval, MD muscular dystrophy, PPV positive predictive value