Table 1.
Diagnosis | n | Paraguay | United States | Chi-square*P | ||
---|---|---|---|---|---|---|
n | % | n | % | |||
Keratinizing scc | 106 | 41 | 75.9 | 65 | 73.8 | >0.05† |
Basaloid scc | 15 | 3 | 5.5 | 12 | 13.6 | >0.05† |
Verrucous scc | 12 | 7 | 12.9 | 5 | 5.6 | >0.05† |
Warty scc | 5 | 2 | 3.7 | 3 | 3.4 | >0.05† |
Clear cell scc | 2 | 1 | 1.8 | 1 | 1.1 | >0.05† |
Sarcomatoid scc | 1 | 0 | 0.0 | 1 | 1.1 | >0.05† |
Metastatic scc | 1 | 0 | 0.0 | 1 | 1.1 | >0.05† |
Total | 142 | 54 | 100.0 | 88 | 100.0 |
*Chi-square test for the difference in the frequency of the tumor subtype between the series from Paraguay and the United States.
†No statistically significant difference.
scc, Squamous cell carcinoma.