showed a trendp = 0.421
The network meta-analysis, compared with RT alone, RT + PCV significantly improved OS (HR: 0.617; 95% CI 0.465–0.819; p = 0.0009), and PFS (HR: 0.547; 95% CI 0.415–0.721; p < 0.0001), while RT + TMZ showed a trend toward improved OS (HR: 0.913; 95% CI 0.666–1.252; p = 0.421) and PFS (HR: 1.270; 95% CI 0.870–1.855; p = 0.215), without statistical significance.