showed a trendP = .91
CIK immunotherapy, cytotoxic lymphocyte (HR = 0.69, 95% CI 0.44–1.10), and cilengitide (HR = 0.79, 95% CI 0.58–1.06) showed a trend toward significant alkylating agents ( P = .91) followed by TTF ( P = .84) and CIK immunotherapy ( P = .78) ranked the first 3 treatments that improved OS ( Figure 4A ).