A scoring system to predict local progression-free survival in patients irradiated with 20 Gy in 5 fractions for malignant spinal cord compression

Table 2 Univariate analyses of local progression-free survival (LPFS)

	LPFS at 6 months	LPFS at 12 months	p-value
Age
≤ 65 years	79	70
≥ 66 years	74	69	0.23
Interval between initial tumor diagnosis and RT of MSCC
≤ 15 months	71	66
> 15 months	84	75	< 0.001
Visceral metastases at the time of RT
No	83	78
Yes	67	48	< 0.001
Other bone metastases at the time of RT
No	85	77
Yes	71	64	0.001
Type of primary tumor
Breast cancer	88	80
Prostate cancer	80	72
Myeloma/lymphoma	93	89
Lung cancer	68	61
Unknown primary	66	66
Renal cell carcinoma	77	51
Colorectal cancer	41	41
Other tumors	60	60	< 0.001
Gender
Female	81	73
Male	73	66	0.13
Time developing motor deficits prior to RT
1–7 days	59	57
8–14 days	81	75
> 14 days	87	77	< 0.001
Gait function prior to RT
Not ambulatory	70	63
Ambulatory	81	74	< 0.001
Number of vertebrae affected by MSCC
1–2	83	74
3–4	75	69
≥ 5	65	59	0.023
ECOG performance score
1–2	87	78
3	69	64
4	55	55	< 0.001

ISSN: 1748-717X