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Table 3 Correlations between metabolic parameters of FDG-PET/CT and patient/tumor characteristics

From: FDG-PET/CT in predicting aggressiveness of rectal cancer

Variables N SUVmax* p SUV mean* p MTV* P TLG* p
Size 33   0.85   0.25   0.003   0.003
Location    0.33   0.37   0.89   0.59
Lower* 19 12.96 [6.6–22.3]   7.4 [3.88–13.88]   21.5 [10.94–25.4]   188.11[57.2–42.05]  
Middle, lower* 3 15.4 [7.36–17.8]   9.18 [4.3–10.62]   22.18 [16.02–40.72]   168.99 [84.1–421.2]  
middle* 7 20.6 [14.9–0]   12.9 [9.4–0]   18.56 [4.86–0]   173.53 [62.69–0]  
Upper* 4 20.99 [12.41–29.43]   10.78 [7.7–16.6]   23.87 [15.2–37.8]   322.4 [122.7–472.9]  
Clinical stage    0.89   0.9   0.13   0.34
II* 10 19.445 [10.92–35.8]   11.68 [6.1675–21.4]   18.785 [10.27–28.225]   229.58 [53.5–467.2]  
IIIA* 6 16.98 [9.32–25.45   10.4 [5.7325–15.315]   18.4 [11.97–25.09]   114.74 [71.42–387.3]  
IV* 17 17.5 [13.93–27.1]   9.97 [8.17–14.875]   25.42 [19.07–46.435]   315.58[150.7–507.8]  
Metastasis load    0.78   0.9   0.104   0.18
Negative* 16 19.25 [11.07–28.525]   11.68 [6.66–17.507]   18.4 [11.24–24.88]   170.45 [61.44–410.97]  
Oligo–metastasis* 6 17.87 [11.1–21.7]   10.61 [6.4–13.4]   23.33 [15.7–39.9]   208.48 [109.1–298.04]  
multiple* 11 17.3 [14.9–29.4]   9.8 [8.9–15.2]   33.34 [18.56–55.23]   362.8[173.5–550.6]  
  1. *Median, range