Prognostic value and clinical correlations of 18-fluorodeoxyglucose metabolism quantifiers in gastric cancer

Table 3 Comparison of average ¹⁸Fluorodeoxyglucose metabolism quantifiers between metastatic and local tumours

Metabolic quantifier	Overall (n = 40)	Locally advanced (n = 23)	Disseminated (n =17)	P value
SUVmax	10.95 4.14-47.74	10.36 4.14-22.66	12.78 2.73-47.74	0.130
SUVmean1	4.951 1.94-13.831	4.131 1.94-6.381	6.051 2.78-13.831	0.0081
COV	0.34 0-1.12	0.38 0.03-1.12	0.35 0-0.80	0.360
MTV2.5(cm3)	91.36 0.96-688.63	77.16 6.91-379.2	135.55 0.96-688.63	0.058
MTV30(cm3)	69.16 12.79-668.60	58.36 12.79-275.3	91.97 21.82-668.60	0.130
MTV40(cm3)	46.05 8.13-208.36	31.85 8.13-208.22	56.64 14.34-208.36	0.110
MTVliv(cm3)	47.31 0-352.25	31.56 1.18-337.38	87.12 0-352.25	0.140
TLG2.5(cm3)1	445.071 2.62-59841	225.871 15.13-2419.91	802.171 2.62-59841	0.0311
TLG30(cm3)1	352.651 46.7-29131	247.331 46.7-1756.41	435.611 113.9-29131	0.0181
TLG40(cm3)	8.35 0.56-49.26	7.61 1.41-45.77	8.82 0.56-49.26	0.760
TLGliv(cm3)	10.5 0-70.42	6.6 0.4-70.42	13.81 0-34.15	0.950

¹Parameters exhibiting a statistically significant difference (as described earlier in text). SUV: Standard uptake volume; MTV: Metabolic tumour volume; COV: Coefficient of variation; TLG: Total lesion glycolysis.