Table 1

Differences of topoisomerase IIα expression between the groups of superficial and truly invasive tumours

Topoisomerase IIα index
<10%≥10% Total
df, degrees of freedom; TCC, transitional cell carcinoma.
Non-invasive TCCs
Count46551
% Within stage90.29.8100.0
Muscle invasive TCCs
Count291443
% Within stage67.432.6100.0
Total
Count751994
% Within stage79.820.2100.0
χ2 Tests Value df Asymp. significance (2 sided)
Continuity correction6.14510.013