n

Digital examination

Postoperative pathologic examination

UT

IDU

IU

IDUT

UT

IDU

IU

IDUT

LN (+)

92

10

19

26

37

8

19

27

38

LN (−)

166

42

66

52

6

40

67

56

3

x² tests

x² = 6.651, p < 0.01

x² = 7.572, p < 0.01