Prognostic Nomograms for Primary High-Grade Glioma Patients in Adult: A Retrospective Study Based on the SEER Database

Table 4

Prognostic risk score from nomograms.

Variable	Risk score of OS	Risk score of CSS
Age(years)
<56	0	0
56-75	28	25
>75	50	46
Grade
GradeIII	0	0
GradeIV	14	13
Histological
Mixed glioma	23	23
Astrocytoma	82	79
Glioblastoma	100	100
Oligodendroglioma	0	0
Size(mm)
<26	0	0
27-44	8	7
>44	17	16
Surgery
No surgery	46	45
Subtotal resection	45	14
Gross resection	0	0
Resection of lobe of brain	13	12
Radiotherapy
Yes	0	0
No/unknown	26	24
Chemotherapy
Yes	0	0
No/unknown	28	27
3-year survival probability
0.9	15	18
0.5	106	106
0.1	165	162
5-year survival probability
0.9	2	6
0.5	93	94
0.1	152	150

Abbreviations: OS: overall survival; CSS: cancer-specific survival.