Table 2

Differences in topoisomerase IIα immunopositivity three groups of patients with different tumour grades

Topoisomerase IIα expression
<10%≥10% Total
df, degrees of freedom.
Grade I
Count1717
% Within grade100.0100.0
Grade II
Count25530
% Within grade83.316.7100.0
Grade III
Count331447
%Within grade70.2%29.8100.0
Total
Count751994
% Within grade79.820.2100.0
χ2 Tests Value df Asymp. significance (2 sided)
Pearson χ27.21220.027