highly significantp =0.009
Because the difference in PIv between eyes with ONi and those without ONi was highly significant ( p =0.009) in the present study, the number of cases needed to identify a cut-off value should not be large.
Because the difference in PIv between eyes with ONi and those without ONi was highly significant ( p =0.009) in the present study, the number of cases needed to identify a cut-off value should not be large.