KLK3 and posterior cortical atrophy: There was no significant difference in family history of PCa (31% compared with 33%; P = .20), body mass index (calculated as weight in kilograms divided by height in meters squared) (27.8 [IQR, 25.2-31.3] compared with 27.8 [IQR, 25.1-31.2]; P = .96), PSA level at diagnosis, TNM category (74% with 74% T1-T2; P = .83), Gleason grade group (34% with 35% in Gleason grade group 1; P = .63), initial treatment choice, or time from diagnosis to treatment (11 with 10.5 weeks; P = .62).