Table 1.

Patients and tumor characteristics. Median values (min-max)

	Preop testing for SDHB		No preop SDHB testing	p
	A—negative	B—positive	C	A+B vs C
N	46	2	18
Age	49 (30–75)	69 (63–75)	52 (36–75)	0.624
Sex ratio (M/W)	0.92	1	1	0.880
Tumor size (mm)	40 (12–110)	31.5 (26–37)	32 (15–66)	0.433
Side				0.313
- Right	27 (58.7%)	1 (50%)	8 (44.4%)
- Left	19 (41.3%)	1(50%)	10 (55.6%)
Single location	45 (97.8%)	2 (100%)	18 (100%)	0.999
Metanepherine U (URL)	2.1 (0.1–24.5)	1.8 (1.2–2.3)	2.47 (0.4–22)	0.664
Normetanephrine U (URL)	3.3 (0.3–48.4)	0.9 (0.9–1)	2.35 (1.6–28.4)	0.962
PASS score
- <4	40 (87%)	2 (100%)	14 (n = 17) (82.4%)
- >3	6 (13%)	0	3 (n = 17) (17.7%)	0.689
FDG uptake (tumor/liver SUVmax radtio)	N = 34	N = 2	N = 11	0.562
	1.6 (0.7–8.5)	1.25 (1.2–1.3)	1.6 (1–3.5)