Table 3.

The median short axis of positive and negative groin and pelvic LNs at histopathology according to PET results at visual assessment and PET/CT results at overall assessment

	Median short axis
	Negative LNs		Positive LNs		p value
	N	Median size (min–max)	N	Median size (min–max)
Visual assessment
Normal
Groin	135	0 mm (0–12)	13	6 mm (4–8)	0.0001
Pelvic site	20	0 mm (0–8)	3	0 mm (0–2)	0.349
Abnormal
Groin	71	9 mm (5–17)	77	12 mm (5–67)	0.0001
Pelvic site	10	6.5 mm (5–11)	9	10 mm (8–25)	0.003
Overall assessment
NMHP
Groin	161	0 mm (0–14)	19	6 mm (4–10)	0.001
Pelvic site	20	0 mm (0–8)	3	0 mm (0–2)	0.349
MHP
Groin	45	10 mm (5–17)	71	12 mm (5–67)	0.002
Pelvic site	10	6.5 mm (5–11)	9	10 mm (8–25)	0.003

For p value, bold font highlights statistically significant value. TN, true negative; FN, false negative; FP, false positive; TP, true positive; NMHP, non-metastatic with high probability; MHP, metastatic with high probability