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. 2014 Mar 6;9(3):e90929. doi: 10.1371/journal.pone.0090929

Table 6. Likelihood ratio on entry of individual staging systems as factors in Cox regression model for the whole cohort.

Staging system LR χ2 test −2 log likelihood P value
Okuda 363 12869 <0.001
CLIP 679 12663 <0.001
BCLC 810 12473 <0.001
JIS 694 12620 <0.001

LR, likelihood ratio, P value <0.05 is significant.