EJNMMI Research

Table 5 Maximum standardized uptake values (SUV_max) and target-to-background ratios (TBR_max)

From: Short-term discontinuation of vagal nerve stimulation alters ¹⁸F-FDG blood pool activity: an exploratory interventional study in epilepsy patients

		VNS-on	VNS-off	p value
Right carotid artery^a	SUV_max	1.3 (0.9–1.6)	1.5 (1.2–1.8)	0.093
Right carotid artery^a	TBR_max	1.5 (1.2–1.7)	1.2 (1.2–1.7)	0.484
Ascending aorta	SUV_max	1.8 (1.3–2.0)	1.9 (1.7–2.4)	0.066
Ascending aorta	TBR_max	1.8 (1.6–2.0)	1.6 (1.5–1.7)	0.139
Aortic arch	SUV_max	1.7 (1.2–2.1)	1.9 (1.5–2.4)	0.012
Aortic arch	TBR_max	1.6 (1.5–2.1)	1.5 (1.4–1.8)	0.086
Thoracic aorta	SUV_max	1.7 (1.2–2.1)	1.9 (1.6–2.4)	0.038
Thoracic aorta	TBR_max	1.7 (1.5-2.1)	1.5 (1.4-1.7)	0.139
Abdominal aorta^a	SUV_max	1.7 (1.1-1.9)	1.7 (1.5-2.0)	0.401
Abdominal aorta^a	TBR_max	1.6 (1.5–1.9)	1.4 (1.4–1.5)	0.093
All vessels	SUV_max	1.7 (1.2–2.0)	1.8 (1.5–2.2)	0.051
All vessels	TBR_max	1.7 (1.5–1.9)	1.5 (1.4–1.6)	0.086
Spleen^a	SUV_max	1.6 (1.1–2.0)	1.8 (1.7–2.1)	0.069
Spleen^a	TBR_max	1.7 (1.4–2.0)	1.5 (1.4–1.6)	0.327
Bone marrow	SUV_max	2.4 (1.4–2.6)	2.3 (2.0–2.6)	0.594
Bone marrow	TBR_max	2.1 (1.7–2.5)	1.8 (1.7–1.9)	0.110
Nuchal SAT^b	SUV_max	0.4 (0.3–0.5)	0.5 (0.5–0.6)	0.310
Nuchal SAT^b	TBR_max	0.4 (0.4–0.6)	0.4 (0.4–0.5)	0.499
Xiphoid SAT^c	SUV_max	0.5 (0.4–0.8)	0.6 (0.5–0.9)	0.273
Xiphoid SAT^c	TBR_max	0.6 (0.4–0.8)	0.4 (0.3–0.6)	0.225
VAT^d	SUV_max	0.7 (0.5–0.8)	0.6 (0.5–0.7)	0.462
VAT^d	TBR_max	0.7 (0.5–0.8)	0.4 (0.3–0.6)	0.173

When not stated otherwise, median values for the nine patients are given with the IQR between brackets. ^an = 8 participants, ^bn = 7 participants, ^cn = 5 participants, ^dn = 6 participants. P values in bold indicate statistically significant findings

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