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Table 4 Results of multivariate analysis on recurrence-free survival in the entire cohort (N = 68)

From: A single-institutional review of 68 patients with dermatofibrosarcoma protuberans: wide re-excision after inadequate previous surgery results in a high rate of local control

Category (reference)

Hazard ratio

95% CI

P

Histologic grade: G2 (vs. G1)

5.99

1.15–31.34

0.034

Tumour site: upper extremity (vs. other)

2.21

0.43–11.28

0.339

Wound closure at primary resection: primary (vs. tissue transfer)

6.48

0.76–55.38

0.088

Re-excision: yes (vs. no)

0.23

0.06–0.93

0.039

  1. CI confidence interval