HbA1c prediction models and their performance
REGRESSION
In the exploratory group, the trend of ridge trace became stable when ridge parameter k was 0.03 (The ridge trace of the ridge regression model for predicting HbA1c with MEANThe comparison of ridge regression model and simple linear regression model for HbA1c.RIn the validation group, the new HbA1c prediction model yielded the smallest value of MSE, RMSE, and MAE compared with four simple linear regression models with MEANThe Bland-Altman plot of actual HbA1c and predicted HbA1c by ridge regression with both MEAN