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. 2022 Jun 2;145(6):2064–2076. doi: 10.1093/brain/awac126

Figure 1.

Figure 1

Comparison of healthy volunteer levels of GFAP (A) and NFL (B) (plotted on a linear scale) compared to patients approximately 8 months and >5 years after a TBI. GFAP: healthy volunteer (HV) versus TBI ∼8 months P = 0.086, HV versus TBI >5 years P = 0.11, TBI ∼8 months versus TBI >5 years P = 0.0087. NFL: HV versus TBI ∼6months P < 0.0001, HV versus TBI >5 years P = 0.55, TBI ∼8 months versus TBI >5 years P = 0.0025. ns P > 0.05, *P ≤ 0.05, **P ≤ 0.01, ***P ≤ 0.001, ****P ≤ 0.0001.