Table 4.

Patients with no structural disease and Ct > 200

Variable	No LND	LND	p-value
	N = 44	N = 45
Age at Procedure, year median (range)	58 (52–63)	50 (39–60)	0.04
Gender (Female)	23 (52%)	29 (64%)	0.3
Size (cm), median (range)	1.80 (1.50–2.58)	2.35 (1.50–3.05)	0.2
Preoperative Imaging (any)	38 (86%)	38 (84%)	1.0
Preoperative neck ultrasound	33 (75%)	30 (67%)	0.49
Number of Lymph Nodes Removed, median (range)	4 (0–10)	24 (8–64)	<0.001
Number of Positive Lymph Nodes, median (range)	0 (0–5)	2 (0–41)	0.004
Ct pre-op	1142 (581–3472)	1058 (567–5018)	>0.9
CEA pre-op	25 (15–103)	35 (14–93)	0.8
Ct post-op	16 (2–176)	16 (3–75)	0.9
CEA post-op	6 (2–9)	5 (2–17)	0.5
Persistent Biochemical Disease	26 (59%)	22 (49%)	0.5
Surgical Era			0.94
1986–1996	3 (7%)	2 (4%)
1997–2007	16 (36%)	16 (36%)
2008–2018	25 (57%)	27 (60%)