Table 3.

Analysis of prognostic factors in uni‐ and multivariate analysis

Parameter	Univariate (log rank) [P‐value]	Multivariate (Cox regression) [HR 95%CI; P‐value]
Age ≤ 65	.01	n.s.
Primary tumor	.167
Controlled systemic status	.001	0.67 0.55‐0.82 <.0001
Timing (synchronous vs metachronous)	.235
KPS ≥ 70 preoperative	.001	0.53 0.38‐0.71 <.0001
KPS ≥ 70 postoperative	<.0001
Surgical complications	.015	n.s.
BM count
single vs oligo	.348
single vs multiple	.009
oligo vs multiple	.081
single/oligo vs multiple	.001	0.63 0.50‐0.80 <.0001
Postoperative radio‐therapy	.001	0.65 0.52‐0.82 <.0001
Systemic treatment after BM resection	<.0001	0.55 0.45‐0.68 <.0001
Extent of resection	.184