Table 3: Cox regression analysis for progression-free survival and overall survival according to PET parameters.

Cox regression analysis
ParametersPFSOS
HR95% CIHR95% CI

SPVC-SUV 18F-FCH PET/CT1.0250.99–1.050.121.070.96–1.050.76
SSUVmax18F-FCH PET/CT1.0220.99–1.050.1181.030.97–1.030.85
SMATV 18F-FCH PET/CT1.0691.06–1.090.0051.010.99–1.020.09
STLA 18F-FCH PET/CT1.041.02–1.080.0121.00.99–1.010.38