Table 1.

Comparison of Patients With and Without TgAb at Initial Thyroid Cancer Diagnosis

Characteristic	Total (73)a	TgAb Negative (43)a	TgAb Positive (30)a	P b
Age, y	14.8 (6.1–18.9)	15.0 (6.1–18.9)	14.6 (7.5–17.6)	0.46
Sex				0.41
Female	57 [78]	32 [74]	25 [83]
Male	16 [22]	11 [26]	5 [17]
Surgical approach				0.26
Lobectomy	3 [4]	3 [7]	0 [0]
Near-total thyroidectomy	70 [96]	40 [93]	30 [100]
RAI ablation				0.73
No	9 [12]	6 [14]	3 [10]
Yes	64 [88]	37 [86]	27 [90]
Size of primary tumor, cm	2.5 (0.3–6.5)	2.5 (0.8–6.5)	2.1 (0.3–6.5)	0.71
Type of cancer				0.04
Papillary thyroid cancer	67 [92]	37 [86]	30 [100]
Follicular thyroid cancer	6 [8]	6 [14]	0 [0]
Resection margin				0.06
Negative	53 [73]	35 [81]	18 [60]
Positive	20 [27]	8 [19]	12 [40]
Lymph node metastasis				0.01
Absent	25 [34]	20 [47]	5 [17]
Present	48 [66]	23 [53]	25 [83]
Distant metastasis				1
Absent	68 [93]	40 [93]	28 [93]
Present	5 [7]	3 [7]	2 [7]

^aN [% of column total] or median (minimum to maximum).

^bTesting for difference in distribution of characteristic between antibody-positive and antibody-negative patients, by Wilcoxon rank sum or Fisher’s exact test.