Table 2 Correlation and root mean squared error (RMSE) statistics of the digitised results from 515 standard 3 by 4 ECG images and the ground truth digital ECGs (validation 1).
From: A fully-automated paper ECG digitisation algorithm using deep learning
Lead name | Correlation | Root mean squared error | ||||||
|---|---|---|---|---|---|---|---|---|
Average | SD | p-value | 95% confidence interval | Average | SD | p-value | 95% confidence interval | |
I | 0.988 | 0.014 | \(<0.001\) | 0.986–0.989 | 0.043 | 0.026 | \(<0.001\) | 0.041–0.045 |
II | 0.988 | 0.025 | \(<0.001\) | 0.986–0.990 | 0.043 | 0.033 | \(<0.001\) | 0.040–0.046 |
V1 | 0.991 | 0.018 | \(<0.001\) | 0.989–0.992 | 0.033 | 0.027 | \(<0.001\) | 0.031–0.036 |
V2 | 0.991 | 0.016 | \(<0.001\) | 0.989–0.992 | 0.040 | 0.031 | \(<0.001\) | 0.037–0.043 |
V3 | 0.992 | 0.007 | \(<0.001\) | 0.991–0.992 | 0.044 | 0.030 | \(<0.001\) | 0.041–0.046 |
V4 | 0.991 | 0.008 | \(<0.001\) | 0.990–0.992 | 0.052 | 0.041 | \(<0.001\) | 0.048–0.055 |
V5 | 0.991 | 0.007 | \(<0.001\) | 0.990–0.991 | 0.050 | 0.038 | \(<0.001\) | 0.047–0.053 |
V6 | 0.991 | 0.009 | \(<0.001\) | 0.991–0.992 | 0.049 | 0.045 | \(<0.001\) | 0.045–0.053 |
