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Table 2 Preoperative and operative findings of PET/CT in patients who underwent operation (n = 133)

From: The efficacy of preoperative PET/CT for prediction of curability in surgery for locally advanced gastric carcinoma

   n FDG uptake in primary tumor FDG uptake in local LN
    Yes (%)
(n = 117)
No (%)
(n = 16)
p-value Yes (%)
(n = 29)
No (%)
(n = 104)
p-value
Age(years) < 60 53 46(86.8) 7(12.1) 0.734 11(20.8) 42(79.2) 0.811
  ≥ 60 80 71(88.8) 9(10.7)   18(22.5) 62(77.5)  
Gender Male 92 82(89.1) 10(10.9) 0.570 22(23.9) 70(76.1) 0.378
  Female 41 35(85.4) 6(14.6)   7(17.1) 34(82.9)  
DM Positive 18 16(88.9) 2(11.1) 1.000 5(27.8) 13(72.2) 0.543
  Negative 115 101(87.8) 14(12.2)   24(20.9) 91(79.1)  
Size(cm) < 5 65 54(83.1) 11(16.9) 0.090 10(15.4) 55(84.6) 0.080
  ≥ 5 68 63(92.6) 5(7.4)   19(27.9) 49(72.1)  
Location Upper 22 20(90.9) 2(9.1) 1.000 5(22.7) 17(77.3) 0.909
  Middle and lower 111 97(87.4) 14(12.6)   24(21.6) 87(78.4)  
Histology Tubular carcinoma 108 95(88.0) 13(12.0) 1.000 25(23.1) 83(76.9) 0.435
  Signet ring/mucinous 25 22(88.0) 3(12.0)   4(16.0) 21(84.0)  
Curability Curative operation 99 84(84.8) 15(15.2) 0.047 14(14.1) 85(85.9) < 0.001
  Non-curative operation 34 33(97.1) 1(2.9)   15(44.1) 19(55.9)  
  1. PET, positron emission tomography, CT, computed tomography, FDG, fluorodeoxyglucose, LN, lymph nodes, DM, diabetes mellitus