Table 3 Cross analysis (chi-square) with Fisher’s exact test
From: Optimal treatment for penile verrucous carcinoma: a systematic literature review
Operation | Total | χ2 (p) | ||||
|---|---|---|---|---|---|---|
Less aggressive treatment | Aggressive treatment | |||||
Tumor location | Glans | Case | 11 | 22 | 33 | 2.532 (.686) |
% | 55.0% | 57.9% | 56.9% | |||
Coronoid sulcus involvement | Case | 4 | 6 | 10 | ||
% | 20.0% | 15.8% | 17.2% | |||
Stage | Ta | Case | 17 | 35 | 52 | .713 (.405) |
% | 85.0% | 92.1% | 89.7% | |||
T1 | Case | 3 | 3 | 6 | ||
% | 15.0% | 7.9% | 10.3% | |||
Adjuvant treatment | none | Case | 8 | 35 | 43 | 21.926** (.000) |
% | 40.0% | 92.1% | 74.1% | |||
Radiotherapy | Case | 0 | 1 | 1 | ||
% | 0.0% | 2.6% | 1.7% | |||
Chemotherapy | Case | 4 | 2 | 6 | ||
% | 20.0% | 5.3% | 10.3% | |||
Chemoradiotherapy | Case | 2 | 0 | 2 | ||
% | 10.0% | 0.0% | 3.4% | |||
Local therapy | Case | 6 | 0 | 6 | ||
% | 30.0% | 0.0% | 10.3% | |||
Recurrence | No | Case | 17 | 34 | 51 | .247 (.619) |
% | 85.0% | 89.5% | 87.9% | |||
Yes | Case | 3 | 4 | 7 | ||
% | 15.0% | 10.5% | 12.1% | |||
Treatment trends over time following the year of issue | 1970s | Case | 1 | 0 | 1 | 12.549** (.005) |
% | 5.0% | 0.0% | 1.7% | |||
1980s | Case | 2 | 12 | 14 | ||
% | 10.0% | 31.6% | 24.1% | |||
1990s | Case | 1 | 1 | 2 | ||
% | 5.0% | 2.6% | 3.4% | |||
2000s | Case | 10 | 5 | 15 | ||
% | 50.0% | 13.2% | 25.9% | |||
2010s | Case | 6 | 20 | 26 | ||
% | 30.0% | 52.6% | 44.8% | |||