n

Digital examination

Postoperative pathologic examination

1/4 ≥ T

2/4 ≥ T > 1/4

3/4 ≥ T > 2/4

T > 3/4

1/4 ≥ T

2/4 ≥ T > 1/4

3/4 ≥ T > 2/4

T > 3/4

LN (+)

92

10

19

28

35

9

19

31

33

LN (−)

166

49

46

38

33

47

51

38

30

x2 tests

x2 = 3.839, p < 0.05

x2 = 3.695, p < 0.05i