Table 3.

Efficacy of sentinel lymph node biopsy

	Axillary clearance positive	Axillary clearance negative	Total
SLN+	19	2	21
SLN−	2	12	14
Total	21	14	35
	Present study (%)	S.P. Somashekhar et al. (2007) [7] (%)	95% confidence interval
Sensitivity	90.48	96.2	69.62–98.83
Specificity	85.71	100	57.19–98.22
Positive predictive value	90.48	100	69.62–98.83
Negative predictive value	85.71	98.6	57.19–98.22
Accuracy	88.57	99