Figure. Severity of Cerebral Palsy in Infants Born Before or After Implementation of Magnesium Sulfate Administration for Neuroprotection.

A, Cerebral palsy (CP) cases grouped as mild or moderate (I-III) vs severe (IV-V) using the Gross Motor Function Classification System (GMFCS). Dashed lines indicate the slope of each regression. B, Percentage of CP cases before and after magnesium administration protocol implementation (2009). Data were analyzed by use of the χ² test, and there was no significant difference between the indicated groups.