Survival time following resection of intracranial metastases from NSCLC-development and validation of a novel nomogram

Table 3 Distribution of the population and MST for each PI

PI	Number of patients	%	MST (months)	p value
RPA			15	<0.001
I	79	35.4	27	<0.001
II	118	52.9	13	0.144
III	26	11.7	8
SIR			15	<0.001
I	33	14.8	33	0.003
II	164	73.5	15	0.003
III	26	11.7	9
BS-BM			15	<0.001
I	27	12.1	5	0.036
II	63	28.3	11	<0.001
III	74	33.2	18	0.001
IV	59	26.4	31
GGS			15	0.001
I	106	47.5	21	0.058
II	87	39.0	14	0.631
III	25	11.2	12	0.054
IV	5	2.3	5
DS-GPA			15	0.003
I	27	12.1	11	0.799
II	68	30.5	14	0.261
III	100	44.8	15	0.003
IV	28	12.6	37
NSCLC-RADES			15	<0.001
I	66	29.6	11	0.025
II	103	46.2	16	0.002
III	54	24.2	27

ISSN: 1471-2407