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

Table 2 Distribution of ¹⁸Fluorodeoxyglucose metabolism quantifiers in various clinical patient subgroups

	SUVmax	SUVmean	MTV2.5(cm3)	MTV30(cm3)	MTV40(cm3)	MTVliv(cm3)	COV	TLG2.5(cm3)	TLG30(cm3)	TLG40(cm3)	TLGliv(cm3)
Sex
Male	12.97	5.00	133.19	105.19	60.81	86.26	0.41	866.70	551.5	16.14	13.99
Female	10.88	4.76	98.91	85.45	52.06	56.03	0.28	571.58	384.9	10.21	9.22
P value	0.51	0.79	0.43	0.65	0.63	0.39	0.18	0.52	0.48	0.29	0.30
Performance status
0	11.16	4.39	109.79	124.00	68.8	65.79	0.37	582.67	570.26	15.14	13.35
1-2	13.60	5.41	138.31	81.73	50.69	90.63	0.39	978.35	478.41	11.09	15.99
P value	0.36	0.17	0.44	0.24	0.24	0.40	0.87	0.3	0.65	0.29	0.59
Weight loss
< 5%	7.71	4.31	40.41	61.38	38.98	23.98	0.211	209.67	243.88	7.52	4.631
5%-10%	12.68	4.56	123.61	90.26	57.73	88.61	0.441	678.12	431.41	14.17	17.451
> 10%	15.47	5.63	181.81	133.62	72.48	108.90	0.441	1268.7	747.12	15.52	19.521
P value	0.051	0.28	0.0031	0.24	0.19	0.053	0.031	0.059	0.096	0.20	0.0271
Tumour location
Upper third	13.93	5.15	129.16	79.95	52.18	79.18	0.43	850.20	418.48	12.98	15.41
Middle third	11.11	4.83	142.17	74.72	54.09	88.87	0.29	878.94	727.09	13.95	15.01
Lower third	10.96	4.46	82.93	59.68	37.85	52.31	0.41	364.75	256.94	9.51	11.77
P value	0.56	0.82	0.67	0.19	0.22	0.75	0.24	0.68	0.2	0.77	0.89
AJCC tumour clinical stage
cT1-T3	11.67	4.61	102.41	87.24	46.71	57.81	0.39	543.61	394.31	11.61	121
cT4	15.82	6.28	217.31	154.79	107.51	166.31	0.34	1827.11	1086.11	18.24	26.101
P value	0.21	0.07	0.0091	0.13	0.00071	0.0021	0.63	0.0041	0.0051	0.16	0.011
AJCC nodal involvement
cN0	11.32	4.49	97.33	70.88	46.16	66.48	0.40	600.96	376.09	11.11	12.04
cN1-N3	13.68	5.41	153.62	130.61	71.52	91.43	0.36	999.63	668.3	14.73	17.58
P value	0.37	0.22	0.12	0.1	0.10	0.38	0.58	0.29	0.14	0.34	0.26
Histology
Intestinal type	13.34	5.17	138.79	106.51	60.93	91.90	0.40	902.61	560.06	13.85	17.01
Diffuse type	9.13	4.06	72.19	77.68	50.47	29.67	0.29	391.05	328.19	9.16	5.98
P value	0.21	0.24	0.14	0.53	0.59	0.09	0.31	0.28	0.38	0.32	0.07
Histological grade
G1-G2	13.16	4.83	118.67	64.91	39.76	73.64	0.281	632.14	309.77	10.07	17.06
G3	11.99	5.20	122.11	133.85	71.31	70.96	0.471	950.73	702.29	14.20	10.14
P value	0.61	0.73	0.91	0.14	0.36	0.89	0.031	0.59	0.11	0.42	0.16

Average metabolic parameter values are presented.

¹Metabolic quantifiers exhibited statistically significant differences among clinical subgroups (described earlier in the text). SUV: Standard uptake volume; MTV: Metabolic tumour volume; COV: Coefficient of variation; TLG: Total lesion glycolysis.