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Table 2 Patient Characteristics in Each Dataset

From: A basic model for assessing primary health care electronic medical record data quality

  Dataset A   Dataset B   Dataset C  
Years of Data January 1, 2006-December 31, 2015 July 1, 2010-June 30, 2014 March 1, 2006-June 30, 2010
  # % # % # %
Sex
 Males 14,619 47.2% 1126 45.6% 6614 45.9%
 Females 16,381 52.8% 1346 54.4% 7782 54.1%
Total 31,000 100.0% 2472 100.0% 14,396 100.0%
Missing Sex 5   0   0  
Age As of January 1, 2006   As of July 1, 2010   As of March 1, 2006  
Mean 39.4 48.7 38.4
Median 41 53 38
Missing Age 1367 0 5
  1. Note: cases with complete sex and age information are included