Table 2.

Description of study population by type of surgery according to age, education, social class, marital status, tumor stage, histology, adjuvant therapy

Characteristic	Mastectomy (n = 89)		Breast-conserving (n = 226)		P value
Age
18–49	12	13%	75	33%	<0.0001
50–59	22	25%	57	25%
60–69	26	29%	61	27%
70+	29	33%	33	15%
Education (years)
9	70	79%	166	73%	0.49a
10	10	11%	38	17%
12+	8	9%	22	10%
Employment status
Active job	17	19%	81	36%	0.44a
Unemployed	5	6%	10	4%
Housewife	48	54%	98	43%
Retired	17	19%	37	16%
Marital status
With spouse	46	52%	149	66%	0.35a
Without spouse	43	48%	77	34%
Number of concurrent chronic conditionsb
0	18	20%	41	18%	0.24a
1	20	23%	72	32%
2+	51	57%	113	50%
UICC stage
I	29	33%	87	39%	0.04a
IIA	28	32%	89	39%
IIB	32	36%	50	22%
Grading
GI/GII	53	60%	127	56%	0.94a
GIII/GIV	35	40%	97	43%
Histology
Lobular	20	23%	21	9%	0.01a
Ductal	63	71%	182	81%
Other	6	7%	23	10%
Receptors
Oestrogen	64	72%	157	69%	0.95a
Progesteron	64	72%	140	62%	0.15a
Adjuvant Therapy
Chemotherapy	31	35%	106	47%	0.87a
Radiation	29	33%	195	86%	<0.0001a
Hormonal	63	71%	141	62%	0.44a

^aadjusted for age

^bMyocardial infarction, congestive heart failure, peripheral vascular disease, cerebrovascular disease, dementia, chronic pulmonary disease, musculoskeletal disorders, arthrosis, connective tissue disease, ulcer disease, liver disease, diabetes, stroke, renal disease, other malign tumor, AIDS, visual and hearing impairment