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Performance requirements based on evaluations of three standards: the IEEE standard, the BHS standard, and the AAMI standard. MAE: mean absolute difference, CP: cumulative percentage, ME: mean error, SD: standard deviation.
| BHS | Grade | CP | CP | CP | IEEE | Grade | MAD (mmHg) | AAMI | Grade | ME (mmHg) | SD (mmHg) |
| A | 60% | 85% | 95% | A | ≤5 | Pass | ≤5 | ≤8 | |||
| B | 50% | 75% | 90% | B | 5–6 | ||||||
| C | 40% | 65% | 85% | C | 6–7 | ||||||
| D | Lower than C | D | Lower than C | ||||||||
