Table 2.

Dichotomized clinico pathologic characteristics of patients with breast cancer in Costa Rica.

CHARACTERISTIC	NO. OF PATIENTS, (%)				UNIVARIATE ANALYSIS		MULTIVARIATE LOGISTIC REGRESSION ANALYSIS P
	ALIVE		DEAD		P	RR (95% CI)
Age
<50 years	71	95.9%	3	4.1%
>50 years	104	86.0%	17	14.0%	<.01	4.1 (1.2–13.4)	.95
AJCC stage
I and II	113	95.8%	5	4.2%
III and IV	55	75.3%	18	24.7%	<.001	5.8 (2.25–414.9)	.59
Histologic grade
1 and 2	93	92.1%	8	7.9%
3	53	85.5%	9	14.5%	.18	1.8 (0.74–4.5)	NA
Lymphovascular invasion
Absent	34	100%	0	0%
Present	52	78.8%	14	21.2%	.015	NA	.94
Distant recurrence
No	172	94.5%	10	5.5%
Yes	2	18.2%	9	81.8%	<.001	14.9 (7.7–28.9)	.01
Local recurrence
No	173	90.1%	19	9.9%
Yes	2	28.6%	5	71.4%	<.001	7.2 (3.8–13.6)	.06
Immunohistochemical subtype
HR+HER2−, HR+HER2+, and HR−HER2+	148	91.9%	13	8.1%
HR−HER2−	25	73.5%	9	26.5%	<.001	2.7 (1.2–5.8)	.93

Abbreviations: RR, relative risk; CI, confidence interval.