Table 3 Descriptive statistics for predictors of malignancy

Age mean (SD)

24.7 (16.4)

36.6 (23.4)

F = 3.118

0.084

N/A

N/A

N/A

N/A

N/A

N/A

Male

23

3

χ ² = 0.148

0.701

38%

48%

12%

48%

0.72

1.31

Left

28

6

χ ² = 0.047

0.828

75%

36%

18%

36%

1.18

0.69

Pain

16

8

χ ² = 8.618

0.003

100%

64%

33%

64%

2.75

N/A

Palpable mass

25

3

χ ² = 0.388

0.533

38%

43%

11%

43%

0.66

1.45

Imaging examination

7

0

χ ² = 0.422

0.516

0%

84%

0%

84%

0

1.19

Palpable pain

9

6

χ ² = 7.335

0.007

5%

60%

25%

60%

0.14

1.58

High temperature

1

5

χ ² = 24.056

<0.001

63%

98%

83%

98%

27.50

0.38

Peroneal nerve compression

1

5

χ ² = 24.056

<0.001

63%

98%

83%

98%

27.50

0.38

Changes in symptom

5

4

χ ² = 7.060

0.008

50%

89%

44%

89%

4.40

0.56

Duration month mean (SD)

11.7 (20.3)

2.9 (2.5)

F = 1.448

0.235

N/A

N/A

N/A

N/A

N/A

N/A