moderately significantp = 0.0011
The increase in median PI between the first and second groups was highly significant ( p < 0.0001), and moderately significant ( p = 0.0011) between the second and third groups.
The increase in median PI between the first and second groups was highly significant ( p < 0.0001), and moderately significant ( p = 0.0011) between the second and third groups.