Population-based study of breast cancer in older women: prognostic factors of relative survival and predictors of treatment

Table 4 Prognostic factors for relative survival

Factors	N=(681)	Number of deaths	Univariate analysis			Multivariate analysis (N=495)
Factors	N=(681)	Number of deaths	RER	95% CI	p value	RER	95% CI	p value
Age	681				0.001			0.18
75-79	310	107	1			1
80-84	208	88	0.99	0.52-1.88		1.01	0.47-2.16
≥85	163	110	2.75	1.68-4.48		2.15	1.02-4.55
pT stage	658				<0.001			0.04
pT0+pT1	283	91	0.53	0.24-1.17		1.77	0.72-4.36
pT2	245	109	1			1
Pt3+Pt4	130	89	3.89	2.20-6.82		2.58	1.23-5.42
pN stage	619				<0.001			0.14
pN0	350	132	1			1
pN+	269	135	3.13	1.68-5.75		1.75	0.80-3.83
pM stage	640				<0.001			<0.001
pM0	576	227	1			1
pM1	64	47	10.18	6.11-16.95		6.86	3.43-13.73
Having a family doctor	672				<0.001			0.03
No	51	41	1			1
Yes	621	258	0.17	0.11-0.28		0.22	0.07-0.68
Histoprognostic SBR grade	642				<0.001			0.08
1+2	482	185	1			1
3	160	93	2.73	1.66-4.51		1.87	0.93-3.79
Hormone receptors	670				<0.001			0.006
Negative	80	46	1			1
Positive	590	255	0.38	0.23-0.63		0.33	0.16-0.70
Comorbidities	582				0.03			0.02
No	163	51	1			1
Yes	419	179	4.26	1.13-16.28		2.35	1.03-5.36
Diagnosis circumstances	580				0.10			0.13
Clinic	471	209	1			1
Individual screening	109	27	0.13	0.01-1.48		0.42	0.11-1.65
Place of residence	677				0.43
Rural	203	92	1
Urban	474	211	0.82	0.50-1.35
Period	681				0.79
1998-2003	321	190	1
2004-2008	360	115	1.07	0.66-1.73
Matrimonial status	471				0.89
Single*	288	131	1
Not single	183	73	0.96	0.53-1.75

Abbreviations: RER = relative excess rates; CI = confidence interval, N = number of patients.
^* Patient single, divorced or widowed.

ISSN: 1471-2407