Risk factors related to postoperative recurrence of dermatofibrosarcoma protuberans: A retrospective study and literature review

Table 3 Recurrence details

Characteristic	No. of patients with recurrence	No. of patients without recurrence	Percentage (%)	P value
Sex				0.294
Male	1	21	6.67
Female	3	19	7.70
Onset age				0.130
< 50	3	38	7.89
≥ 50	1	2	3.33
Age at diagnosis				0.213
< 5 yr	1	23	4.17
≥ 5 yr	3	17	15.00
Tumor size				0.252
< 3 cm	1	22	4.35
≥ 3 cm	3	18	14.29
Location				0.773
Trunk	2	23	8.00
Other sites	2	17	10.52
Premier or recurrence				0.028
Premier	0	23	0
Recurrence	4	17	19.05
No. treatment				/
0	0	19	0
1	0	16	0
2	2	3	40
≥ 3	2	0	100