highly significantP << 0.001
The degree of asso- ciation was evaluated from a 2 x 2 contingency table with a chi-square statistic and was found to be highly significant (x2 = 23.7, P << 0.001; see Materials and Methods).
The degree of asso- ciation was evaluated from a 2 x 2 contingency table with a chi-square statistic and was found to be highly significant (x2 = 23.7, P << 0.001; see Materials and Methods).