Table 2  Clinical comparison of SLN biopsy and ILND in vulvar cancer.

n	SLN-B	ILND	p-value	Reference
Abbreviations: SLN-B = sentinel lymph node biopsy, ILND = inguinal lymph node dissection, NA = not applicable * Meta-analysis
Duration of surgical procedure
128	76 min	103 min	< 0.001	Brammen et al. 2014 26
75	86 min	121 min	0.002	Hefler et al. 2008 27
Length of hospitalisation
128	13.3 days	18.1 days	0.006	Brammen et al. 2014 26
75	12.6 days	22.9 days	< 0.001	Hefler et al. 2008 27
403	8.4 days	13.7 days	< 0.0001	van der Zee et al. 2008 11
Inguinal drainage
128	4 days	7 days	< 0.001	Brammen et al. 2015 26
75	3 days	7 days	< 0.001	Hefler et al. 2008 27
Wound infection
2667*	4.4%	30.7%	NA	Reade et al. 2012 24
Lymphocyst
2667*	3.8%	15.5%	NA	Reade et al. 2012 24
Lymphoedema
2667*	1.5%	22.9%	NA	Reade et al. 2012 24