showed a trendp < 0.1
Good to adequate presurgical Karnofsky performance scores (KPS ≥ 70) showed a trend toward improved OS (mean OS: 109 vs. 68.2 months; p < 0.1), while patients with preradiotherapy KPS ≥ 70 had significantly better OS (median OS: 39.8 months vs. not applicable (NA); p < 0.01).