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. 2023 May 30;6(5):e2316601. doi: 10.1001/jamanetworkopen.2023.16601

Figure 3. Time-Course Changes in Blood Biomarker Levels Overall and by Player Position.

Figure 3.

Data were collected during the 2021 preseason (July [T1]), after training camp (August [T2]), during the season (September [T3] and October [T4]), and postseason (November or December [T5]). E. P < .001 vs preseason for all comparisons. GFAP indicates glial fibrillary acidic protein; NF-L, neurofilament light; and UCH-L1, ubiquitin C-terminal hydrolase-L1. Whiskers indicate standard error of the mean.

aP < .01 vs preseason.

bP < .001 vs preseason.

cP < .05 vs preseason.