n

Digital examination

Postoperative pathologic examination

M&S

ML

IWO

IV

M&S

ML

IWO

IV

LN (+)

92

0

6

43

43

0

11

34

47

LN (−)

166

16

36

114

0

15

36

115

0

x² tests

x² = 14.354, p < 0.01

x² = 16.586, p < 0.01