Table 4 Statistical analysis of topoisomerase II‐α indices.

Categories analysed for significance between topoisomerase II‐α indices	Z test statistic	p Value
Benign prostatic hyperplasia and prostate carcinoma of Gleason Score 6	−1.163	0.245
Prostate carcinoma of Gleason Score 6 and prostate carcinoma of Gleason Score 7	−2.636	0.008
Prostate carcinoma of Gleason Score 7 and prostate carcinoma of Gleason Scores 8–10	−3.601	0.000
Hormone‐resistant prostate carcinoma of Gleason Scores 8–10 and prostate carcinoma with Gleason Scores 8–10 with no hormone treatment	−1.747	0.081