Application of 18F-fluorodeoxyglucose positron emission tomography/computed tomography imaging in recurrent anastomotic tumors after surgery in digestive tract tumors

Table 2 Parameter analysis of fluorodeoxyglucose uptake in anastomotic inflammation and recurrent lesions

Parameters	Anastomotic inflammation (mean ± SD)	Anastomotic recurrence (mean ± SD)	t	P value	95%CI
Gastric cancer
MRFDG (μmol/min/mL)	0.10 ± 0.03	0.19 ± 0.08	-3.819	0.002	-0.139 to -0.039
DVmax (%)	145.74 ± 47.11	94.71 ± 32.17	3.321	0.003	19.504 to 82.546
LBR-MRFDG	1.60 ± 0.42	2.93 ± 1.05	-4.446	< 0.001	-2.026 to -0.714
LBR-DVmax	2.73 ± 1.19	1.47 ± 0.67	3.627	0.001	0.547 to 1.990
Esophageal cancer
MRFDG (μmol/min/mL)	0.10 ± 0.03	0.19 ± 0.07	-3.742	0.002	-0.137 to -0.037
DVmax (%)	144.46 ± 37.99	96.53 ± 23.60	3.628	0.001	20.532 to 75.335
LBR-MRFDG	1.60 ± 0.45	3.14 ± 1.14	-4.188	0.001	-2.331 to -0.741
LBR-DVmax	2.06 ± 0.70	1.10 ± 0.42	3.963	< 0.001	0.458 to 1.462

MRFDG: Fluorodeoxyglucose metabolic rate; LBR: Lesion/background ratio; DV: Volume distribution; CI: Confidence interval.