The following tests were used: unpaired Student t-test, Fisher exact, Mann-Whitney, Kruskal-Wallis, and qui-square.
Se usaron los test t de Student no pareado, exacto de Fisher, Mann-Whitney, Kruskal-Wallis y χ.
Foram usados os testes t de Student não pareado, exato de Fisher, Mann-Whitney, Kruskal-Wallis e χ.