highly significantP < 0.0001
Postmortem histopathological analyses at 35 days post‐SCI confirmed improved outcomes with higher IVIg doses, with highly significant reductions in lesion volumes following treatment with either 0.5 g/kg (31% reduction; P < 0.0001), 1 g/kg (34% reduction; P < 0.0001), or 2 g/kg IVIg (27% reduction; P < 0.0001).