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| Variable | 12-Lead ECG | Total | |
|---|---|---|---|
| AF Present | AF Absent | ||
| FPPG, No. (%)a | |||
| Positive | 150 (46.9) | 3 (0.9) | 153 |
| Negative | 10 (3.1) | 157 (49.1) | 167 |
| Total No. | 160 | 160 | 320 |
Abbreviations: AF, atrial fibrillation; ECG, electrocardiogram; FPPG, facial photoplethysmographic.
The percentages were the number in each cell divided by the total number of tests.
