PCSK9 and posterior cortical atrophy: The well‐documented negative correlation linked PCSK9 and LDL in the PCa group (Figure 2b, ρ = −0.40, p = 0.016) and the whole cohort (Figure 2c, ρ = −0.30, p = 0.011) but not in the control group (Figure 2a, ρ = −0.15, p = 0.57).