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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.