A.10%以下 B.10%~20% C.15%~20% D.25%~40% E.20%~30%
A.25% B.30% C.35% D.40% E.40%以上
A.<1SD B.<2SD C.<3SD D.<4SD E.<5SD
A.0.7~0.8cm B.0.5~0.6cm C.0.3~0.4cm D.0.1~0.2cm E.基本消失