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Table 1 Description of the National Health and Nutrition Examination Survey data set used for the study

From: Application of support vector machine modeling for prediction of common diseases: the case of diabetes and pre-diabetes

Diagnostic category Definition N Classification Scheme I Classification Scheme II
Diagnosed diabetes Answered "yes" to question "Have you ever been told by a doctor or health professionals that you had diabetes?" 1,266 Cases Excluded from analysis
Undiagnosed diabetes Answered "no" to question "Have you ever been told by a doctor or health professionals that you had diabetes?"
AND
Fasting plasma glucose level ≥ 126 mg/dl
195 Cases Cases
Pre-diabetes Fasting plasma glucose level 100-125 mg/dl 1,576 Non-cases Cases
No diabetes Fasting plasma glucose level <100 mg/dl 3,277 Non-cases Non-cases
  1. Notes: Total number of the cases for classification scheme I = 1461
  2. Total number of the non-cases for classification scheme I = 4853
  3. Total number of the cases for classification scheme II = 1709
  4. Total number of the non-cases for classification scheme II = 3206