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. 2015 Sep 1;32(17):1294–1300. doi: 10.1089/neu.2014.3698

FIG. 3.

FIG. 3.

Diagnostic accuracy of serum SNTF and tau assessed by receiver operator characteristics AUC analyses. (A) Serum SNTF levels at 36 h postconcussion versus preseason levels. (B) Serum tau levels at 1 h postconcussion versus preseason levels. (C) Serum SNTF levels at 36 h for concussions with return to play ≥6 days versus preseason levels. (D) Mean serum SNTF levels at 12–36 h for concussions with return to play ≥6 days versus preseason levels. SNTF, calpain-derived αII-spectrin N-terminal fragment; AUC, area under the curve; CI, confidence interval.