Background and Purpose Characterizing (ICD-9-CM) code validity is vital given widespread usage of medical center discharge directories in analysis. 2013 types and an alternative solution code grouping for evaluation. Outcomes Thirty-three percent of 4 260 hospitalizations had been validated as strokes (1 251 ischemic 120 ICH 46 SAH). The AHA/ASA code groupings acquired PPV 76%… Continue reading Background and Purpose Characterizing (ICD-9-CM) code validity is vital given widespread