All tests Chi-square, Student t, Pearson and Fisher exact performed were two-tailed, and p-values of < 0.05 were considered significant.
Todas las pruebas Chi-cuadrado, t-Student, Pearson y exacto de Fisher utilizadas fueron bicaudales y los valores de p < 0,05, considerados significativos.
Todos os testes Qui-quadrado, t-Student, Pearson e exato de Fisher utilizados foram bicaudais e os valores de p < 0,05, considerados significantes.