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Table 1 Clinicopathologic characteristics

From: Risk factors for level V metastasis in patients with N1b papillary thyroid cancer

Characteristic

Value (n = 94)

Gender

 Male

26 (27.7)

 Female

68 (72.3)

Age (year)

44.80 ± 13.18

Tumor size by USG (mm)

16.02 ± 10.16

The largest size of LN by USG

14.66 ± 7.35

LN/tumor size ratio by USG

1.23 ± 0.92

Multi-level suspicious LNs by USG

43 (45.7)

Tumor location

 Upper

35 (37.2)

 Middle

57 (60.6)

 Lower

2 (2.1)

Bilaterality

37 (39.4)

Extrathyroidal extension

10 (10.6)

Multifocality

50 (53.2)

Tumor size by pathology (mm)

15.06 ± 8.12

The largest metastatic focus of LN by pathology (mm)

12.98 ± 8.76

Metastatic focus/tumor size ratio by pathology

1.07 ± 0.89

MRND

 Right

48 (51.1)

 Left

36 (38.3)

 Both

10 (10.6)

T stage

 TI

70 (74.5)

 T2

13 (13.8)

 T3

11 (11.7)

Stage

 I

71 (75.5)

 II

23 (24.5)

Recurrence

4 (4.3)

Follow-up period (months)

33.44 ± 21.1

  1. Values are presented as number (%) or mean ± standard deviation
  2. USG ultrasonography, LN lymph node, MRND modified radical neck dissection