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Table 1 Demographic and clinical characteristics of the breast cancer survivors during endocrine therapy

From: Serum 25-hydroxyvitamin D and cancer-related fatigue: associations and effects on depression, anxiety, functional capacity and health-related quality of Life in breast cancer survivors during adjuvant endocrine therapy

Characteristics

Overall (n = 89) n (%)

Age (years) – median (p25-p75)

65 (58.5–69.5)

 < 60

25 (28.1)

 ≥ 60

64 (71.9)

Marital Status

  Single/ Divorced/Separated/Widow

50 (56.2)

  Married

39 (43.8)

Partner

  No

22 (24.7)

  Yes

67 (75.3)

Educational Level

  Below high school

61 (68.5)

  High school or higher education

28 (31.5)

Income (minimum wage)

  < 3

53 (59.6)

  ≥ 3

36 (40.4)

Work activity

  Active

22 (24.7)

  Inactive

67 (75.3)

Surgery

  Breast-conserving surgery

51 (57.3)

  Mastectomy

38 (42.7)

Prior Radiotherapy

  No

14 (15.7)

  Yes

75 (84.3)

Prior Chemotherapy

  No

21 (23.6)

  Yes

68 (76.4)

Chemotherapy Regimen

  Adjuvant

53 (77.9)

  Neoadjuvant

15 (22.1)

Prior Tamoxifen

  No

49 (55.1)

  Yes

40 (44.9)

Tumoral Subtype

  Ductal

86 (96.6)

  Lobular

3 (3.4)

Clinical Stage

  I

26 (29.2)

  II

48 (53.9)

  III

13 (14.6)

  NR

2 (2.2)

Tumor Grade

  G1

14 (15.7)

  G2

66 (74.2)

  G3

5 (5.6)

  NR

4 (4.5)

Molecular Subtype

  ER + and/or PR + , HER2- and Ki-67 < 14%

17 (19.1)

  ER + and/or PR + , HER2- and Ki-67 ≥ 14%

37 (41.6)

  ER + and/or PR + , HER2 + 

29 (32.6)

  NR

6 (6.7)

Months since start on AI

29.5 (18.1–41.8)

Years since diagnosis

4 (2—5)

Years since last menstrual period

16 (8—20)

  1. Continuous variables are shown as median (p25-p75), and categorical variables are shown as absolute numbers and percentage frequency (in parentheses); Time point: T0, Baseline; Prior, before starting AI use; AI, aromatase inhibitor; ER estrogen receptor, PR progesterone receptor, HER2 human epidermal growth factor type 2 receptor, Ki 67 Ki 67 antigen, -, negative; + , positive; NR Not reported, G1 Well-differentiated tumor (low grade), G2 Moderately differentiated tumor (intermediate grade), G3 Poorly differentiated tumor (high grade). The Brazilian minimum wage was R$ 880.00