Clinical characteristics and prognostic factors in patients with malignant melanoma: A Chinese prospective cohort study

Table 3 Multifactor analysis of factors affecting prognosis in patients with malignant melanoma

Variable	β	SE	Wald	P value	HR (95%CI)
Tumor stage			31.402	0.000
Ⅰ-Ⅱ					1
Ⅲ	0.459	0.232	3.912	0.048	1.582 (1.004-2.492)
Ⅳ	1.107	0.211	27.455	0.000	3.025 (1.999-4.576)
Chemotherapy (control group = no)	-0.362	0.158	5.239	0.022	0.696 (0.511-0.949)
Interferon therapy (control group = no)	-0.588	0.240	5.999	0.014	0.555 (0.347-0.889)
Lactate dehydrogenase			23.638	0.000
Normal					1
Low	0.788	0.728	1.172	0.279	2.199 (0.528-9.163)
High	0.819	0.171	22.825	0.000	2.267 (1.621-3.172)