Table 1

Univariate analysis of prognostic factors for astrocytomas

FactorCategorynLog rank c2p ValueFavourable feature
n, number of cases; DCC, deleted in colorectal cancer; LI, labelling index; MI, mitotic index; AI, apoptotic index.
GradeII2522.919<0.0001Grade II
III24
IV19
DCC score≥3414.346 0.037High score
≤427
p53 LI (%)>40225.330 0.021Low value
≤4046
Ki-67 LI (%)>302113.004 0.0003Low value
≤3047
MI (%)>0.401920.795<0.0001Low value
≤0.4049
AI (%)>0.40145.032<0.0001Low value
≤0.4054
DCC score ≥3p53 LI >403115.105 0.002DCC score ≤4
DCC score ≥3p53 LI ≤4010p53 LI >40
DCC score ≤4p53 LI >4015
DCC score ≤4p53 LI ≤4012