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| Pre-dialysis Frequency (Percentage) | Post-dialysis frequency (percentage) | |||
| Positive | Negative | Positive | Negative | |
| Sokolow-Lyon | 21(30) | 49(70) | 32(45.7) | 38(54.3) |
| Cornell | 17(24.3) | 53(75.7) | 25 (35.7) | 45(64.3) |
| Framingham | 32(45.7) | 38(54.3) | 40(57.1) | 30(42.9) |
