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Table 6 PSS-14, SF-12 and Epworth scales: transverse comparisons between P and EXT groups at D0, D7 and D28

From: Effect of an oral supplementation with a proprietary melon juice concentrate (Extramel®) on stress and fatigue in healthy people: a pilot, double-blind, placebo-controlled clinical trial

  D0    D7    D28   
  t student p value t student p value t student p value
PSS-14 1.630 0.108 NS 1.580 0.120 NS 2.714 0.010 **
SF-12 1.371 0.175 NS 0.787 0.435 NS 2.037 0.049 *
Epworth 0.430 0.669 NS 0.181 0.857 NS 0.350 0.729 NS