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Table 1 Clinico-pathological, anthropometric and socio-demographic characteristics parameters of study group

From: The distribution of reproductive risk factors disclosed the heterogeneity of receptor-defined breast cancer subtypes among Tanzanian women

Characteristics

Number of patients, n (%)

Current age (years) mean ± SD

47.99 ± 11.61

Age at diagnosis (years) mean ± SD

44.49 ± 10.81

Histological type

 

IDC-NST

232 (88.2)

ILC

13 (4.9)

MC

5 (1.9)

Others

13 (4.9)

TNM pathological stage

 

I

4 (1.5)

II

41 (15.6)

III

146 (55.5)

IV

72 (27.4)

Tumor laterality

 

Left

127 (48.3)

Right

127 (48.3)

Bilateral

9 (3.4)

ER status

 

Positive (+)

169 (64.3)

Negative (−)

94 (35.7)

PR status

 

Positive (+)

139 (52.9)

Negative (−)

124 (47.1)

HER2 status

 

Positive ( +)

94 (35.7)

Negative (−)

169 (64.3)

Molecular subtype

 

Luminal-A

117 (44.5)

Luminal-B

59 (22.4)

HER-2 enriched

29 (11.0)

Triple-negative

58 (22.1)

Menopausal status

 

Pre-menopause

119 (45.2)

Post-menopause

144 (54.8)

< 50 years old

91 (63.2)

≥ 50 years old

53 (36.8)

Family history of BC

 

Yes

55 (20.9)

No

208 (79.1)

BMI

 

Normal weight < 25 kg/m2

100 (38)

Overweight 25–30 kg/m2

72 (27.4)

Obese > 30 kg/m2

91 (34.6)

Menarche

 

Early < 12 years old

11 (4.2)

Normal 13–14 years old

115 (43.7)

Late > 15 years old

137 (52.1)

Age at first full-term pregnancy

 

< 30 years old

198 (80.5)

≥ 30 years old

48 (19.5)

Parity

 

Nulliparous

27 (10.3)

1–2 Children

88 (33.5)

≥ 3 Children

148 (56.3)

Breast-feeding

 

Breast-feeding duration (months) mean ± SD

15.5 ± 6.5

Never

63 (24)

Yes

200 (76)

 < 15 months

48 (18.3)

 ≥ 15 months

152 (57.8)

Contraceptive use

 

Yes

113 (43)

< 48 months

34 (30.1)

≥ 48 months

79 (69.9)

No

150 (57)

HRT use

 

Yes

0 (0)

No

263 (100)

Smoke exposure

 

Yes

4 (1.5)

No

259 (98.5)

Alcohol consumption

 

Yes

48 (18.3)

No

215 (81.7)

Residance

 

Rural

107 (40.7)

Urban

156 (59.3)

Place of origin

 

Central zone

37 (14.1)

Western zone

14 (5.3)

Eastern zone

50 (19)

Northern zone

89 (33.8)

Southern zone

55 (20.9)

Lake zone

18 (6.8)

Occupation

 

Peasant

107 (40.7)

Housewife/dependant

70 (26.6)

Business/entrepreneur

63 (24)

Employed

16 (6.1)

Others

7 (2.6)

Marital status

 

Married

179 (68.1)

Single

25 (9.5)

Widowed/separated/divorced

59 (22.4)

  1. TNM tumor node metastasis, IDC-NST ınvasive ductal carcinoma of no specific type, ILC ınvasive lobular carcinoma, MC mucinous carcinoma, ER estrogen receptor, PR progesterone receptor, HER2 Human epidermal growth factor receptor 2, BMI body mass index, HRT hormone replacement therapy, SD Standard deviation
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BMC Women's Health

ISSN: 1472-6874

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