highly significantp = 3.01 × 10 −18
The difference between the two groups was highly significant by the χ 2 test (χ 2 = 76.0603, p = 3.01 × 10 −18 ).
The difference between the two groups was highly significant by the χ 2 test (χ 2 = 76.0603, p = 3.01 × 10 −18 ).