N = 81

Benign N = 73

Malignant N = 8

p-value

Nodule

Multiple

73 (90.1%)

7 (87.5%)

0.6

Unique

8 (9.9%)

1 12.5(%)

Site of nodule

Right

32 (39.6%)

5 (62.5%)

0.4

Left

43 (53.1%)

3 (37.5%)

Isthmus

5 (6.1%)

0 (0.0%)

Unspecified

1 (1.2%)

0 (0.0%)

Nodule size

0.014

<1 cm

0 (0.0%)

1 (12.5%)

>4 cm

21 (30.0%)

5 (62.5%)

1 - 2 cm

18 (20.0%)

0 (0.0%)

2 - 4 cm

38 (44.3%)

1 (12.5%)

Unspecified

4 (5.7%)

1 (12.5%)

Nodule shape

0.2

Oval

36 (44.4%)

5 (62.5%)

Round

5 (6.2%)

0 (0.0%)

Irregular

3 (3.7%)

1 (12.5%)

Unspecified

37 (45.7%)

2 (25.0%)