Table 2.

The results relate to the difference between pre- and postoperative VAS scores and type of operation

Operation type	VAS scores	N	Mean	Median	Min	Max	SD	Wilcoxon test
								Row mean	z	p
Partial excision	Preoperative	14	8.79	9	7	10	0.89	7	−3.195	0.001
	Postoperative	14	2.5	1.5	0	10	2.85	0
Total excision	Preoperative	8	8.88	9	8	10	0.64	4.5	−2.536	0.011
	Postoperative	8	2.5	1.5	0	8	2.67	0

Abbreviations: VAS, visual analog scale; Min, minimum; Max, maximum; SD, standard deviation.