A.2.3~2.5 B.3.0~4.5 C.5.0~6.5 D.7.35~7.45 E.7.0~7.2
A.15~25ml/min B.25~35ml/min C.35~45ml/min D.45~55ml/min E.≥55ml/min
A.80~100ml/min B.70~90ml/min C.90~120ml/min D.120~150ml/min E.≥150ml/min