Results: Haldane and Smith methods exhibited X = . 0> in patients, X= . > in B7 positive groups and X = l.
Results: Haldane and Smith methods exhibited X = . 0> in patients, X= . > in B7 positive groups and X = l.
果:用Haldane和Smith方法的计算公式算得例AS患者x=.0>,例B7阳性患者x= .>,例B7阴性患者x=.8%;