CASP1 and concussion: ASC (β = 0.22; p = 0.71), caspase-1 (β = 0.24; p = 0.35) and IL-1β (β = − 0.35; p = 0.15) did not have a statistically significant association with mTBI patients with obese and severely obese BMI compared to patients with non-obese BMI.