BDNF and atrial fibrillation: Baseline education level (p = 0.035), atrial fibrillation (p = 0.014), stroke severity (p = 0.001), BI score (p < 0.001), E dimension (p = 0.029), N dimension (p < 0.001), L dimension (p = 0.022), subjective support (p < 0.001), psychological resilience (p < 0.001), free T3 (p < 0.001), BDNF (p = 0.001) and ACTH (p = 0.029) were associated with PSD in females at 3 months (Table 2).