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Table 5 Comparison of stroke history as reported on PhenX survey and as in medical records

From: Validation of PhenX measures in the personalized medicine research project for use in gene/environment studies

PhenX Physician-reported stroke
   No Yes  
TIA code? Stroke codes? ------------- -------------  
   N (row %) N (row) Kappa statistic (95% CL)
No None 1875 (99.2) 15 (0.8)  
  1 only 23 (95.8) 1 (4.2)  
  2 or more 14 (58.3) 10 (41.7) 0.285 (0.148, 0.422)
Yes None 155 (88.1) 21 (11.9)  
  1 only 14 (63.6) 8 (36.4)  
  2 or more 30 (26.3) 84 (73.7) 0.568 (0.476, 0.660)