NfL levels correlated with American Spinal Injury Association ( ASIA ) motor score at baseline ( r = -0.53 , p = 0.004 ) and after 24h ( r = -0.69 , p < 0.001 ) and 3-12-month motor outcome ( baseline NfL : r = -0.43 , p = 0.026 and 24h NfL : r = -0.72 , p < 0.001 ) .