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Table 2 Baseline characteristics of included studies

From: Effect of Omega-3 fatty acids supplementation on serum level of C-reactive protein in patients with COVID-19: a systematic review and meta-analysis of randomized controlled trials

Study ID

Study groups

Sample size

Age mean (SD)

Gender male (%)

Bmi mean (SD)

Pimentel 2022

Immunonutrient enriched supplement

21

41.1 (2.8)

14 (66.7)

27.3 (1.2)

control group (non-immunonutrient enriched supplement)

22

41.9 (2.6)

12 (54.5)

27.8 (1)

Sedighiyan 2021

Omega-3 + hydroxychloroquine

15

66.46 (2.8)

9 (60)

27.01 (0.94)

Control group (hydroxychloroquine alone)

15

67.06 (2.28)

9 (60)

26.13 (0.73)

Kosmopoulos 2021

Icosapent ethyl

50

44 (16.29)

24 (48)

24.83 (3.33)

Control group

50

40.66 (17.77)

21 (42)

24.36 (4.22)

Doaei 2021

1000 mg omega-3

28

66 (14.58)

15 (53.6)

27.68 (7.54)

Control group

73

64 (14.25)

45(61.6)

27.39 (3.15)

  1. BMI: body mass index, SD standard deviation