Low level of Fibrillarin, a ribosome biogenesis factor, is a new independent marker of poor outcome in breast cancer

Table 4 Association between FBL immunostaining and overall survival or disease-free survival using univariate Cox regression analyses in the IGR-1 series

	Survival
Variables	HR	CI95%	P-value
*Overall survival (OS)*
no detection	1.00		0.160
detection	0.68	[0.40–1.17]	0.160
*Invasive Disease-free survival (iDFS)*
no detection	1.00		0.034*
detection	0.67	[0.47–0.97]	0.034*
*Distant Disease-free survival (dDFS)*
no detection	1.00		0.020*
detection	0.62	[0.41–0.93]	0.020*

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