highly significantp < 0.0001
Type × vertical position association Cross-tabulation analysis revealed a highly significant association between primary type and vertical position (χ2 = 33.574, df = 4, p < 0.0001).
Type × vertical position association Cross-tabulation analysis revealed a highly significant association between primary type and vertical position (χ2 = 33.574, df = 4, p < 0.0001).