Figure 3 | Scientific Reports

Figure 3

From: Dramatic increases in blood glutamate concentrations are closely related to traumatic brain injury-induced acute lung injury

Figure 3

(a) There was no significant correlation between blood glutamate levels on admission and GCS score in patients with TBI (r = 0.224, p = 0.154). (b) No significant difference in GCS score was observed between patients with or without TBI-ALI (p = 0.062) using nonparametric Mann-Whitney U tests. (c). The AUC-ROCs showed that the predictive value of glutamate levels (AUC = 0.792; 95% CI, 0.710–0.873) was better than that of GCS score (AUC = 0.652; 95% CI, 0.565–0.739) (p = 0.022) (d). ROC curve showing the logistic regression model for the combination of glutamate levels and GCS score (AUC = 0.829; 95% CI, 0.706–0.953), which was better than GCS score (p = 0.039) but not glutamate concentration (p = 0.243). ALI, acute lung injury; GCS, Glasgow Coma Scale; Glu, glutamate; TBI, traumatic brain injury.

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