LBP and transient ischemic attack: Although LPS levels did not correlate with LBP levels in controls (Fig. 3A), LPS levels correlated with LBP in TIA (Fig. 3B), SVO stroke (Fig. 3C), LAA stroke (Fig. 3D), ICH (Fig. 3E), CE stroke (Fig. 3F), and all 205 subjects (Fig. 3G).