. 2023 Jul 20;15(14):3696. doi: 10.3390/cancers15143696

Table 2.

Univariate analysis of potential prognostic variables for survival.

Characteristics	Variables	n	Local Control		Progression-Free Survival		Overall Survival
Characteristics	Variables	n	1-Year Rate (%)	p-Value	1-Year Rate (%)	p-Value	1-Year Rate (%)	p-Value
Sex	Female	18	77	0.028	54	0.082	88	0.066
	Male	50	49	0.028	40	0.082	78	0.066
Age (years)	<75	31	69	0.15	53	0.18	96	0.005
	≥75	37	46	0.15	37	0.18	67	0.005
Tumor size (cm)	≤5	43	60	0.93	50	0.92	77	0.91
	>5	25	53	0.93	35	0.92	87	0.91
Number of tumors	Solitary	45	57	0.57	40	0.28	78	0.39
	Multiple	19	59	0.57	50	0.28	82	0.39
Nodal disease	No	64	58	0.68	44	0.82	81	0.76
	Yes	4	50	0.68	50	0.82	75	0.76
Chemotherapy	Yes	54	60	0.14	46	0.035	81	0.086
	No	14	43	0.14	33	0.035	77	0.086
Surgery	Yes	20	61	0.86	55	0.52	83	0.89
	No	48	55	0.86	39	0.52	80	0.89
IMRT	Yes	27	69	0.044	41	0.94	76	0.69
	No	41	49	0.044	45	0.94	84	0.69
Irradiation field	Total scalp	20	71	0.071	36	0.84	80	0.65
	Local	48	51	0.071	47	0.84	81	0.65
EQD₂ (Gy)	>66	37	70	0.056	47	0.41	76	0.57
	≤66	31	42	0.056	39	0.41	86	0.57
Bleeding from tumors	No	40	57	0.61	48	0.29	87	0.14
	Yes	28	57	0.61	38	0.29	72	0.14

IMRT = intensity-modulated radiation therapy, EQD₂ = equivalent dose in a 2 Gy fraction with α/β = 10 Gy.