CRP and sarcopenia: Sarcopenia was the strongest independent predictor of shorter OS (HR 3.36, P <0.001), along with higher CRP (HR 1.34, P = 0.001), upper urinary tract cancer (HR 2.13, P = 0.007), higher LDH (HR 2.12, P = 0.047), and higher ALP (HR 2.03, P = 0.048).