Figure 1 | Scientific Reports

Figure 1

From: Long-term PM2.5 exposure and the clinical application of machine learning for predicting incident atrial fibrillation

Figure 1

Study cohort and included subjects from the National Health Insurance Service National Sample Cohort (NHIS-NSC; overall general population). We randomly divided the population into the discovery (n = 302,811) and validation (n = 129,776) cohorts. In the discovery cohort, model construction and training were performed. Model fitting and performance measures were performed in the validation cohort. AF atrial fibrillation.

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