Table 4:

Kaplan-Meier analysis of the imaging and clinical parameters of PFS (n = 38)

Parameters	Threshold Values	Median Survival (mo) (95% CI)
		Above Threshold or Presence	Below Threshold or Absence	P Value
Age (yr)	>60	33.47 (1.77–12.27)	4.57 (3.37–11.63)	.958
Sex		F 3.37 (1.37–4.73)	M 6.17 (3.47–12.27)	.100
Time to metastasis	≤229	12.27 (3.37–15.00)	3.50 (2.53–4.73)	.036
KPS	≤60	11.63 (3.67–13.57)	3.37 (1.37–4.73)	.036
Presence of brain metastasis		3.50 (3.00–4.97)	12.27 (4.57–15.88)	.275
No. of brain metastases	>4	3.47 (1.77–11.63)	4.73 (3.67–12.27)	.701
Presence of extracranial metastasis		3.47 (2.20–11.63)	4.57 (3.37–13.57)	.227
Presence of hydrocephalus		3.47 (2.57–5.37)	4.57 (3.10–6.17)	.607
LC grade		3.47 (1.13–4.97)	4.87 (3.67–12.27)	.449
Enhancement pattern		L 4.17 (2.20–6.17)	N 4.97 (3.00–15.00)	.279
Combination of LC grade and pattern		1.77 (1.07–3.50)	4.87 (3.47–12.27)	.009

Note:—F indicated female patients; M, male patients; L, indicates linear enhancement pattern; N, nodular enhancement pattern.