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Table 1 Baseline characteristics of patients

From: Predicting malignancy in thyroid nodules: feasibility of a predictive model integrating clinical, biochemical, and ultrasound characteristics

Characteristics

Benign

Malignant

Total

Number

486

50

536 (100 %)

Male sex (%)

67 (13.8 %)

19 (38.0 %)

86 (16.0 %)

Age (years)

51.2 (15.9)

50.9 (15.9)

51.2 (15.9)

Smoking status

   

 Never

240 (57.4 %)

23 (62.1 %)

263 (57.8 %)

 Previous

53 (12.7 %)

3 (8.11 %)

56 (12.3 %)

 Current

125 (29.9 %)

11 (29.7 %)

136 (29.9 %)

Thyroid status

   

 TSH (mU/l)

1.20 (0.50–2.00)

1.95 (1.13–2.90)

1.40 (0.70–2.40)

 FT4 (pmol/l)

15.8 (7.52)

13.8 (5.38)

16.9 (7.56)

Nodule size (cm)

2.91 (1.63)

2.99 (1.44)

2.91 (1.61)

Microcalcification

61 (12.5 %)

26 (52.0 %)

87 (16.2 %)

Nodule Composition

   

 Cystic

90 (18.5 %)

6 (12.0 %)

96 (17.9 %)

 Mixed

53 (10.9 %)

6 (12.0 %)

59 (11.0 %)

 Solid

343 (70.6 %)

38 (76.0 %)

381 (71.1 %)

Echogenicity

   

 Iso or hyper-echoic

332 (68.3 %)

25 (50.0 %)

357 (66.6 %)

 Mixed

59 (12.1 %)

9 (18.0 %)

68 (12.7 %)

 Hypo-echoic

95 (19.6 %)

16 (32.0 %)

111 (20.7 %)

Margins

   

 Regular

469 (96.5 %)

43 (86.0 %)

512 (95.5 %)

 Irregular

17 (3.50 %)

7 (14.0 %)

24 (4.5 %)

  1. Figures are mean (SD), number (%) or median (IQR)