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Table 1 Comparison of general data and clinicopathological factors between the non-dissection group and the dissection group

From: The effect of central lymph node dissection on the prognosis of cN0 papillary thyroid microcarcinoma: a mid-term follow-up study

Clinical features

Undissection(n, %)

dissection(n, %)

χ2 or t

P value

Gender

    

Male

54(18.5)

38(22.3)

1.004

0.189

Female

238(81.5)

132(77.7)

Age

    

< 55

233(79.8)

148(87.1)

3.291

0.057

≥ 55

59(20.2)

22(12.9)

Multifocal

89(30.4)

66(38.8)

2.439

0.118

Bilateral

    

Positive

27(9.2)

29(17.1)

6.156

0.011

Negative

265(90.8)

141(82.9)

Capsular invasion

    

Positive

45(15.4)

44(25.9)

4.98

0.026

Negative

247(84.6)

126(74.1)

Tumor diameter

    

≤ 5 mm

148(50.7)

53(31.2)

16.637

< 0.001

> 5 mm

144(49.3)

117(68.8)

Calcification

    

Positive

165(56.5)

134(78.8)

17.362

< 0.001

Negative

127(43.5)

36(21.2)

BRAF*

    

Positive

122(62.9)

70(41.7)

0.014

0.491

Negative

72(37.1)

98(58.3)

Postoperative complications

    

Hoarseness

4(1.4)

9(5.3)

6.051

0.017

Humbness

23(7.9)

46(27.1)

31.119

< 0.001

Choking

1(0.3)

4(2.4)

4.048

0.064

Lymphatic leakage

0

0

0

0

Recurrence

7(2.4)

2(1.1)

0.126

0.169

Hypoparathyroidism

    

Yes

50(17.1)

33(19.4)

0.382

0.537

No

242(82.9)

137(80.6)

  

Hypocalcemia

    

Yes

55(18.8)

35(20.6)

0.398

0.528

NO

247(84.6)

135(79.4)

  
  1. *BRAF gene test was carried out in our hospital after June 2015, only some cases were counted