Table 6 Comparison of the 10 most important predictors of DA identified using ML model versus classical statistical model
ML model (Lasso regression) * | Classical statistical model (Multiple Linear regression) ** |
|---|---|
High fear of feeling pain during treatment | High fear of panic attack |
High fear of the sound or vibration of the drill | High of feeling pain during treatment |
High fear of root canal treatment | High fear of the sound or vibration of the drill |
High fear of panic attacks | High fear of root canal treatment |
High fear of injection in the mouth | High fear of injection in the mouth |
High fear of needing a lot of dental treatment | Moderate fear of root canal treatment |
High fear of being embarrassed | High fear of needing a lot of dental treatment |
Moderate fear of root canal treatment | High fear of being embarrassed |
Moderate fear of panic attacks | Moderate fear of panic attacks |
High fear of being injured | Frequency of dental visits (3 months to less than 6 months) |
Moderate fear of the sound or vibration of the drill | Moderate fear of the sound or feel of scraping during teeth cleaning |
Frequency of dental visits (3 months to less than 6 months) | Moderate fear of the sound or vibration of the drill |
Frequency of dental visits less than 3 months | Frequency of dental visits less than 3 months |
Comparison of performance of the ML model versus classical statistical model | |
RMSE = 0.617 | RMSE = 3.16 |
R2 = 0.615 | R2 = 0.67 |