Table 2 Data characteristics and model performance.
From: Estimation of biological heart age using cardiovascular magnetic resonance radiomics
Matrices | Women | Men |
|---|---|---|
Number of participants | 15,920 | 14,076 |
Age (years) | 62.7 (± 7.3) | 63.8 (± 7.6) |
Age range | 45–82 | 45–82 |
Number of features | 254 | 254 |
Mean absolute error | 4.95 | 5.48 |
R squared | 0.31 | 0.22 |
Correlation of chronological age with predicted age | 0.90 | 0.91 |
Correlation of heart age delta with actual age | − 0.01 | − 0.01 |