Table 4.

Brain metastases characteristics and patient survival (n=68)

	n	Median survival time; years (95% CI)
Number of brain meta
1	37	1.43 (0.54–2.21)
2	8	0.41 (0.15–1.58)
≥3	22	0.20 (0.10–0.70)
N/A	1	-
Metastases pattern when diagnosed
brain only	41	1.20 (0.61–1.48)
First metastatic site with other distant metastasis	19	0.32 (0.14–0.72)
Metastases after other distant metastases	8	0.26 (0.07–0.51)
Metastasis site during follow up
Brain only	34	1.09 (0.50–1.58)
With lung	9	0.51 (0.08–1.86)
With liver	10	0.22 (0.08–0.32)
With bone	14	0.25 (0.13–0.62)
With distant lymph node	23	0.27 (0.18–0.62)
With others	7
Treatment
Resection	31	1.47 (0.81–2.21)
Stereotactic radiosurgery	8	1.12 (0.38–3.11)
Whole brain radiation	23	0.18 (0.08–0.25)
N/A	6	0.33 (0.14–0.86)