Table 3. Results of paired t-tests to compare the number of SLNs detected by ICG and MB in each patient.

Sample size	Mean value	SD	SEM	t	P
70	1.043	1.313	0.157	6.648	0.000
					<0.050

SLN, sentinel lymph node; ICG, indocyanine green; MB, methylene blue; SD, standard deviation; SEM, standard error of the mean.