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Table 2 Prediction model development after dividing dataset into two age groups

From: Machine learning models to identify low adherence to influenza vaccination among Korean adults with cardiovascular disease

Korean adults with cardiovascular disease Training data Test data Total
 ≥ 65 years Influenza vaccination, no 70 8 78
  Influenza vaccination, yes 376 42 418
  Total 446 50 496
 < 65 years Influenza vaccination, no 157 17 174
Influenza vaccination, yes 97 11 108
Total 254 28 282