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Table 3 Comparison of the REE between study groups before and after the intervention

From: The effect of omega3 fatty acid supplementation on PPARγ and UCP2 expressions, resting energy expenditure, and appetite in athletes

Variable Omega-3 Group (n = 18) Placebo Group (n = 18) MD (95% CI), P
VO2 max (mL/kg/min)
 Before 264 (61.1) 219 (57.9) 44.9 (4.62, 85.2), 0.98b
 After 280 (66.6) 225 (48.9) 54.5, (14.9, 94.1), 0.01a
 MD (95% CI), pa −15.7 (−29.5, − 1.94), 0.03 −6.17 (−23.3, 11.0), 0.46  
REE (kcal/day)
 Before 1792 (311) 1527 (404) 265 (20.4, 509), 0.98b
 After 2012 (401) 1557 (344) 454 (201, 708), 0.01c
MD (95% CI), pa − 220(−341, −98.3), 0.01 −30.6(−181, 120), 0.67  
REE%
 Before 99.5 (20.1) 85.3 (22.2) 14.1 (− 0.27, 28.5), 0.05b
 After 110 (23.1) 87.3 (19.7) 22.8 (8.27, 37.3), 0.01c
 MD (95% CI), pa −10.6(−16.1, −5.14), 0.01 − 1.94(− 7.79, 3.90), 0.49  
  1. Data are presented as Mean (standard deviation)
  2. a p based on paired samples t-test
  3. b p based on independent-samples t-test
  4. c based on ANCOVA adjusted for baseline values
  5. CI confidence of interval, MD mean differences, REE resting energy expenditure, VO2 max Maximal oxygen consumption