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Agreement between FFR and RFR.
| FFR ≤ 0.8 | FFR > 0.8 | Total | |
| RFR ≤ 0.89 | 57 (20.5%) | 32 (11.6%) | 89 (32.1%) |
| RFR > 0.89 | 24 (8.7%) | 164 (59.2%) | 188 (67.9%) |
| Total | 81 (29.2%) | 196 (70.8%) | 277 |
Data was number (%). FFR, fractional flow reserve; RFR, resting full-cycle ratio.
