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Table 1 Descriptive statistics of the training and validation data sets

From: Predicting hemoglobin levels in whole blood donors using transition models and mixed effects models

Data set Gender #Donor #Deferral #Cold Season Age: Mean (SD) Visit: Med (IQR)
Training data set Male 3610 769 (4.58%) 10213 (50.05%) 34.57 (12.9) 5 (3)
  Female 4306 1596 (9.62%) 10387 (49.71%) 32.66 (12.8) 5 (1)
  Total 7916 2365 (7.08)% 20600 (49.88%) 33.53 (12.9) 5 (2)
Validation data set Male 3449 688 (4.27%) 9781 (49.95%) 34.28 (12.6) 5 (3)
  Female 4260 1729 (10.41%) 10341 (49.54%) 32.77 (12.8) 5 (2)
  Total 7709 2417 (7.38%) 20122 (49.74%) 33.45 (12.7) 5 (2)
  1. Note: SD= Standard deviation, IQR= Interquartile range.