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Table 1 Socio-demographic and clinicopathological characteristics of patients randomized according to the study group

From: The effects of EPA and DHA enriched fish oil on nutritional and immunological markers of treatment naïve breast cancer patients: a randomized double-blind controlled trial

 

Groups

p a

Fish oil

(n = 18)

Placebo

(n = 19)

Age (years) b

48.6 ± 9.0

53.4 ± 7.5

0.107

Education level (years) b

7.2 ± 3.9

9.1 ± 4.0

0.227

Menopause % (n)

 No

50.0 (9)

26.3 (5)

0.138

 Yes

50.0 (9)

73.7 (14)

Histological type % (n)

 Ductal carcinoma in situ (DCIS)

22.2 (4)

10.5 (2)

0.756

 Infiltrating ductal carcinoma (IDC)

72.2 (13)

78.9 (15)

 IDC + DCIS

5.6 (1)

5.3 (1)

 No information

5.3 (1)

TNM classification % (n)

 Tumor in situ

16.7 (3)

 I

16.7 (3)

5.3 (1)

0.212

 II

38.9 (7)

47.4 (9)

 III

27.8 (5)

42.1 (8)

 No information

5.3 (1)

Estrogen receptor (ER) % (n)

 ER+

77.8 (14)

73.7 (14)

1.000

 ER-

16.7 (3)

15.8 (3)

 No information

5.6 (1)

10.8 (2)

Progesterone receptor (PR) % (n)

 PR+

66.7 (12)

57.9 (11)

1.000

 PR-

27.8 (5)

31.6 (6)

 No information

5.6 (1)

10.5 (2)

Human epidermal growth factor receptor 2 (HER2) % (n)

 HER2+

33.3 (6)

26.3 (5)

1.000

 HER2-

61.1 (11)

63.2 (12)

 No information

5.6 (1)

10.5 (2)

  1. TNM Tumor, node, metastasis
  2. a Mann-Whitney test for age and education level and chi-square for the other variables
  3. b Mean ± standard deviation