表 1. BHS standard.
BHS标准
| BHS标准等级 | 累积误差百分比 | ||
| ≤5 mm Hg | ≤10 mm Hg | ≤15 mm Hg | |
| A | 60% | 85% | 95% |
| B | 50% | 75% | 90% |
| C | 40% | 65% | 85% |
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