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

Table 1 Characteristics of anastomotic inflammation group and recurrent group in patients with gastric cancer and esophageal cancer after operation

Characteristics	Anastomotic		Z	P value
	Inflammation	Recurrence
Gastric cancer (n)	16	13	-	-
Gender (male/female) (n)	15/1	11/2	-	-
Age (mean ± SD, year)	59.56 ± 10.91	60.62 ± 10.52	-0.439	0.661
Body weight (mean ± SD, kg)	55.44 ± 10.35	59.85 ± 9.10	-1.187	0.235
ΜΤV (mean ± SD, cm3)	7.10 ± 3.95	10.71 ± 4.71	-2.017	0.044
Clinical staging (I, II, III, IV) (n)	3, 5, 8, 0	1, 6, 4, 2	-	-
Esophageal cancer (n)	13	11	-	-
Gender (male/female) (n)	11/2	9/2	-	-
Age (mean ± SD, year)	62.38 ± 10.39	61.64 ± 8.65	-0.174	0.862
Body weight (mean ± SD, kg)	56.00 ± 9.08	60.45 ± 5.91	-1.219	0.223
ΜΤV (mean ± SD, cm3)	6.27 ± 3.44	7.75 ± 3.56	-1.13	0.258
Clinical staging (I, II, III, IV) (n)	1, 4, 7, 1	2, 5, 3, 1	-	-

MTV: Metabolic tumor volume.