. 2014 Aug 29;47(1):26–33. doi: 10.4143/crt.2013.208

Table 2.

Results of sentinel lymph node biopsy

	All patients (n=96)^a)^,^b)	Negative conversion group (n=55)^a)^,^b)	Remaining positive group (n =41)^a)^,^b)	p-value^c)
Median No. of removed SLNs (range)	2 (1-7)	2 (1-6)	2 (1-7)	0.524
Identification rate	84.3 (81/96)	87.3 (48/55)	80.5 (33/41)	0.365
False-negative rate	18.4 (9/49)	16.7 (4/24)	20.0 (5/25)	0.763
Negative predictive value	78.0 (32/41)	85.7 (24/28)	61.5 (8/13)	0.082
Accuracy rate	87.9 (72/81)	91.7 (44/48)	82.8 (28/33)	0.337

SLN, sentinel lymph node.

^a)

Percentage,

^b)

Values in parentheses are fractions,

^c)

Chi-squared test.