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Table 2 Odds Ratio Estimates for patients surviving > 18 months in patients with low-grade versus high grade-HCMV infection in their tumors and prognostic factors important for GBM patients survival (Age, Extent of Resection, RPA Subclass and gamma knife treatment) by Multiple Logistic regression analysis.

From: Low levels of Human Cytomegalovirus Infection in Glioblastoma multiforme associates with patient survival; -a case-control study

Characteristic HCMV-IEA   HCMV-LA
  95% LCL Odds ratio 95% UCL P value 95% LCL Odds ratio 95% UCL P value
HCMV infection: Non to Low-grade vs. moderate to high-grade 1.359 6.604 32.094 .019* 0.425 1.264 3.758 .67
Age group: <50 vs ≧ 50 y 0.080 0.338 1.428 .142 0.081 0.339 1.412 .137
Gender Female vs Male 0.317 0.965 2.938 .95 0.335 0.962 2.763 94
Extent of surgery: Radical vs partial 0.404 2.489 15.348 .326 0.342 1.723 8.691 .50
RPA: III and IV vsV and VI 2.148 8.161 30.997 .002* 2.615 9.504 34.545 .0006*
Gammaknife vs. no Gammaknife treatment 0.326 1.339 5.505 .068 1.41 1.409 5.475 .62
  1. *: considered significant, LCL (lower confidence interval), UCL (upper confidence interval)
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