Expected Natural Evolution (ENE) and
Gross Motor Function Measure Evolution Ratio (GMFMER)
To calculate the ENE for a certain time interval, please enter:
The age of the child (in months) at the beginning of the evaluation period:
The starting GMFM score:
Time interval (in months):
The ENE for that time interval is:
To calculate the GMFMER, please enter the measured GMFM-66 score change:
The GMFMER (GMFM score/ENE) for that time interval is:
Ref: Gross Motor Function Measure Evolution Ratio: Use as a Control for Natural Progression in Cerebral Palsy