a nonsignificant trendp = 0.096
While there was a nonsignificant trend for longer PFS in patients with KPS≥70 (p = 0.096) and age<69 (p = 0.144) in the WBRT group, KPS≥70 was associated with shorter PFS (p = 0.021), and Age<69 was not associated with PFS (p = 0.60) in the noWBRT group.