Phenotype: 
Gastroesophageal Reflux Disease (GERD) Phenotype Algorithm
Algorithm Type: 
Case, Control
Institution: 
CHOP
Implementation Details: 

Cases:  We reviewed 50 charts. We had 4 false positives for a PPV of 92%  (No evidence of GERD on chart after review for 3 subjects and 1 subject with psychogenic cough)

Controls: We reviewed 25 charts. No false positives for a PPV of 100%

True Positive: 
46.00
False Positive: 
4.00
True Positive: 
25.00
False Positive: 
0.00
Case Positive Predictive Value: 
0.92
Control Positive Predictive Value: 
1.00