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Table 4 Comparative analysis of demographic information and clinical characteristics

From: Ultrasound characteristics of normal parathyroid glands and analysis of the factors affecting their display

 

Display Group (n = 575)

Non-display Group (n = 128)

t/χ2-value

P-value

Age (n,%)

  

6.082

0.193

 18–29

66(11.5)

20(15.6)

  

 30–39

132(23.0)

30(23.4)

  

 40–49

158(27.4)

33(25.9)

  

 50–59

161(28.0)

26(20.3)

  

 ≥ 60

58(10.1)

19(14.8)

  

Gender(n,%)

  

2.148

0.143

 Male

128(22.3)

21(16.4)

  

 Female

447(77.7)

107(83.6)

  

BMIa, kg/m2

  

16.416

0.001

 < 18.5

20(3.5)

14(10.9)

  

 18.5–24.0

279(48.5)

62(48.5)

  

 24–28

187(32.5)

42(32.8)

  

 ≥ 28

89(15.5)

10(7.8)

  

Thyroid Echo

  

26.766

< 0.001

 Normal

493(85.7)

85(66.4)

  

 Abnormal

82(14.3)

43(33.6)

  

Thyroid Functionb

  

2.896

0.089

 Normal

441(76.7)

89(69.5)

  

 Abnormal

134(23.3)

39(30.5)

  

Thyroid Volume

  

11.001

0.001

 Normal

402(69.9)

70(54.7)

  

 Enlargement

173(30.1)

58(45.3)

  

Dmaxc

  

2.870

0.057

 None

146(25.4)

32(25.0)

  

 ≤ 2,cm

372(64.7)

74(57.8)

  

 > 2,cm

57(9.9)

22(17.2)

  
  1. aThe BMI was graded according to the Chinese standard. bIf the thyroid function index is not within the range of reference value, it is defined as abnormal function. cThe maximum diameter of a thyroid nodule