Clinical implication of FDG uptake of bone marrow on PET/CT in gastric cancer patients with surgical resection

Table 3 Comparison between bone marrow standardized uptake value and BM-to-liver uptake ratio according to tumor factors

		BM SUV	P value	BLR	P value
Pathology	PAC/TAC	1.49 ± 0.34	0.143	0.73 ± 0.17	0.081
	PDAC	1.54 ± 0.37		0.75 ± 0.16
	SRC/MAC	1.41 ± 0.32		0.68 ± 0.16
T stage	T1	1.46 ± 0.35	0.042	0.71 ± 0.16	0.003
	T2-T4	1.54 ± 0.33		0.78 ± 0.17
Lymph node metastasis	Absence	1.47 ± 0.34	0.123	0.72 ± 0.16	0.010
	Presence	1.54 ± 0.36		0.77 ± 0.17
FDG uptake	Negative	1.46 ± 0.30	0.007	0.71 ± 0.14	0.006
	Positive	1.52 ± 0.38		0.75 ± 0.18
Recurrence	No	1.47 ± 0.34	0.001	0.72 ± 0.16	<0.001
	Yes	1.68 ± 0.36		0.85 ± 0.16

BM: Bone marrow; BLR: BM-to-liver uptake ratio; PAC: Papillary adenocarcinoma; TAC: Tubular adenocarcinoma; PDAC: Poorly-differentiated adenocarcinoma; SRC: Signet-ring cell carcinoma; MAC: Mucinous adenocarcinoma; FDG: F-18 fluorodexoyglucose.