Pre-CRT SUV HR 95% CI p-value
<8 vs >8 2.062 0.597 – 7.128 0.253
<10 vs >10 1.285 0.482 – 3.425 0.617
<12 vs >12 0.933 0.369 – 2.357 0.883
<14 vs >14 0.625 0.223 – 1.760 0.375
<16 vs >16 0.845 0.276 – 2.580 0.767
<18 vs >18 1.037 0.299 – 3.956 0.955
       
% SUV Change HR 95% CI p-value
<30% vs >30% 1.338 0.386 – 4.637 0.647
<40% vs >40% 0.976 0.347 - 2.742 0.963
<50% vs >50% 0.281 0.105 – 0.754 0.012
<60% vs >60% 0.285 0.100 – 0.809 0.018
<70% vs >70% 0.271 0.060 – 1.221 0.089
       
Post-CRT SUV HR 95% CI p-value
<3 vs >3* - - -
<4 vs >4 6.36 1.439 – 28.11 0.015
<5 vs >5 3.248 1.174 – 8.988 0.023
<6 vs >6 2.76 1.026 – 7.430 0.044
<7 vs >7 4.833 1.744 – 13.394 0.002
*- hazard ratio for 3 could not be calculated since there were no deaths in patients with Post-CRT SUV <3; HR – hazard ratio; CI – confidence interval; CRT – chemoradiotherapy; SUV – standard uptake value
Table 2: Hazard Ratio by PET Parameter.