Table 2.

Risk factors for incomplete excision of cSCC

Patient characteristics		Univariable GEE analysis OR (95% CI)	Multivariable GEE analysis OR (95% CI)
Gender
	Male	1 (reference)
	Female	0.45 (0.22–0.89)*	0.57 (0.29–1.1)
Patient age, year
	Median‐mean‐range	0.98 (0.96–1.0)	0.99 (0.96–1.0)
Immunosuppression
	No	1 (reference)
	Yes	2.2 (1.2–3.9)*	1.8 (0.85–3.7)
	Transplantation	2.2 (1.2–4.0)*	1.7 (0.73–4.1)
	IS other only	2.3 (0.94–5.4)	1.9 (0.81–4.7)
Tumour characteristics
Location
	Trunk/extremities	1 (reference)
	Head and neck	1.9 (0.94–3.7)	1.6 (0.83–2.9)
Tumour size
	≤20 mm	1 (reference)
	>20 mm	1.4 (0.85–2.4)	1.1 (0.58–2.0)
Differentiation
	Well‐moderate	1 (reference)
	Poor‐undiff	1.1 (0.60–2.2)	0.96 (0.49–1.9)
Depth
	Dermis	1 (reference)
	Beyond dermis	6.5 (3.6–11.9)*	5.7 (3.1–10.5)*
Perineural invasion
	No	1 (reference)
	Yes	5.7 (1.9–17.7)*	2.0 (0.53–7.8)
Lymfovascular invasion
	No	1 (reference)
	Yes	5.0 (0.92–27.7)	1.8 (0.23–14.3)

^* P < 0.05.