Serum BDNF levels in stroke patients assessed at D0 (admission), D1, D7 (non-treated, n = 11 and rt-PA-treated, n = 18) and D90 (non-treated, n = 8 and rt-PA-treated, n = 12) after ischemic stroke.

<p>Values are expressed as mean ± SEM. ^a Differences between the two groups of patients were analyzed at the different time points using the non-parametric Mann–Whitney-U test with significance set at (*) p <0.05.