Table 3.

Visual ¹⁸F-FDG PET/CT findings for all patients and for each patient per group

	All included patients	Group 1 (12 (± 2) weeks after prosthesis implantation)	Group 2 (12 (± 2) months after prosthesis implantation)	p value*
Number of patients	20	10	10
FDG dose, MBq/kg, (mean±SD)	164 ± 30	152 ± 20	176 ± 34	.08
Time between FDG dose and start scan (min), m[IQR]	58 [57–62]	58 [57–63]	59 [57–62]	.77
Serum levels of glucose mmol·L (mean±SD)	5.6 ± .6	5.8 ± .5	5.5 ± .7	.23
Preparation according to carbohydrate diet protocol, n(%)	20 (100)	10 (100)	10 (100)	1
Myocardial suppression, n(%)				.33
Fully suppressed	11 (55)	5 (50)	6 (60)
Low uptake	2 (10)	2 (10)	0 (0)
Intermediate uptake	3 (15)	1 (10)	2 (20)
High focal uptake	0 (0)	0 (0)	0 (0)
High diffuse uptake	4 (20)	2 (20)	2 (20)
Visual score cranial anastomosis (QVSH), n(%)				.17
None	2 (10)	0 (0)	2 (20)
Low	10 (50)	4 (40)	6 (60)
Intermediate	6 (30)	4 (40)	2 (20)
High	2 (10)	2 (20)	0 (0)
Specific FDG uptake pattern, n(%)				.94
Focal	7 (35)	4 (40)	3 (30)
Multifocal	0 (0)	0 (0)	0 (0)
Diffuse homogeneous	5 (25)	3 (30)	2 (20)
Diffuse heterogeneous	6 (30)	3 (30)	3 (30)
Visual score PHV (QVSH), n(%)				.88
None	0 (0)	0 (0)	0 (0)
Low	9 (45)	5 (50)	4 (40)
Intermediate	7 (35)	3 (30)	4 (40)
High	4 (20)	2 (20)	2 (20)
Specific FDG uptake pattern, n(%)				.31
Focal	1 (5)	1 (10)	0 (0)
Multifocal	0 (0)	0 (0)	0 (0)
Diffuse homogeneous	19 (95)	9 (90)	10 (100)
Diffuse heterogeneous	0 (0)	0 (0)	0 (0)
Visual score total prosthesis (QVSH), n(%)				.48
None	1 (5)	1 (10)	0 (0)
Low	12 (60)	5 (50)	7 (70)
Intermediate	7 (35)	4 (40)	3 (30)
High	0 (0)	0 (0)	0 (0)	1
Specific pattern FDG uptake, n(%)
Focal	0 (0)	0 (0)	0 (0)
Multifocal	0 (0)	0 (0)	0 (0)
Diffuse homogeneous	18 (90)	9 (90)	9 (90)
Diffuse heterogeneous	2 (10)	1 (10)	1 (10)

*Statistical difference between groups 1 and 2; QVSH, Qualification Visual Score of Hypermetabolism