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本帖最后由 海洋小美鱼 于 2012-11-4 16:22 编辑
logistic分析结果P=0.991为何仍进入回归方程,采用Backward和Forward的多种方法尝试均是如此,请问为何?是数据输入方式的问题吗?
Variables in the Equation
95.0% C.I.for EXP(B)
B S.E. Wald df Sig. Exp(B) Lower Upper
Step 1a 扩张性心肌病 .237 1.997 .014 1 .906 1.267 .025 63.491
LBBB有切迹 22.135 5.140E3 .000 1 .997 4.103E9 .000 .
EF .179 .143 1.568 1 .211 1.196 .904 1.583
缩窄度数QRS -.132 .057 5.346 1 .021 .877 .784 .980
性别反 3.453 2.444 1.996 1 .158 31.605 .263 3.803E3
Constant -32.733 5.140E3 .000 1 .995 .000
Step 2a LBBB有切迹 22.157 5.137E3 .000 1 .997 4.193E9 .000 .
EF .178 .143 1.549 1 .213 1.194 .903 1.580
缩窄度数QRS -.133 .056 5.589 1 .018 .876 .784 .978
性别反 3.515 2.389 2.165 1 .141 33.610 .311 3.629E3
Constant -32.553 5.137E3 .000 1 .995 .000
Step 3a LBBB有切迹22.028 5.230E3 .000 1 .997 3.687E9 .000 .
缩窄度数 -.124 .052 5.683 1 .017 .883 .798 .978
性别反 3.352 1.941 2.981 1 .084 28.558 .636 1.283E3
Constant -27.129 5.230E3 .000 1 .996 .000
a. Variable(s) entered on step 1: 扩张性心肌病, LBBB有切迹, EF, 缩窄度数QRS, 性别反.
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