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Table 1 Characteristic of the trials and participants in this meta-analysis

From: Effect of conjugated linoleic acid on blood pressure: a meta-analysis of randomized, double-blind placebo-controlled trials

Study Country No. of CLA/Control Age (Year) Male (%) BMI (kg/m2) Baseline SBP/DBP (mm Hg) CLA amount (g/day)c Placebo Duration (Weeks) Jadad scores
Berven 2000 Norway 25/22 47.1 63.8 29.7 139.7/85.7 2.65 (1.33) olive oil 12 5
Raff 2006 Denmark 18/20 25.9 100 22.3 119.5/61.6 4.7 (2.35) Control diet 5 4
Taylor 2006 UK 21/19 46 100 33.0 124.9/82.4 3.2 (1.62) olive oil 12 6
Iwata 2007 Japan 20/20 41.5 100 28.0 127.5/77.1 6.8 (3.4) safflower oil 12 6
Laso 2007 Spain 10/11a 10/13b 53.9 75.0 27.6a 33.1b 145.5/82.5a 148.5/86.0b 3 (1.5) Skimmed milk 12 4
Aryaeian 2008 Iran 22/22 47.1 13.6 27.8 119.8/73.5 2 (1) oleic sunflower 12 5
Sluijs 2010 Netherland 173/173 58.4 48.3 27.9 127.4/76.1 3.1 (0.6) palm oil 24 7
Shadman 2013 Iran 19/20 45.3 46.2 27.2 122.6/81.2 3 (1.5) Soybean oil 8 4
  1. aOverweight participants; bObese participants; cAmount of t10, c12-CLA is presented in parentheses.