A.CRP>8mg/LB.CRP>10mg/LC.CRP>15mg/LD.CRP>100mg/L
A.PCT≥0.25μg/LB.PCT≥0.5μg/LC.PCT≥2μg/LD.PCT≥10μg/L
A.误吸B.肺外脓毒症C.肺炎D.创伤