Moderate NDI: developmental test 2 standard deviations below norm; or CP with GMFCS 2; or moderate hearing or visual problems
Severe NDI: developmental test 3 standard deviations below norm; or CP with GMFCS 3-5; or severe hearing or visual problems (blindness)
We use calculated thresholds for Bayley III as discussed at Level III / FU meeting on Nov. 25, 2020. See here for an exact overview