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Table 3 Ratings of perceived exertion

From: The effects of supplementation with P-Synephrine alone and in combination with caffeine on resistance exercise performance

  CT P S SCF
Set 1 5.36 ± 1.5 5.18 ± 1.60 5.14 ± 1.27 5.41 ± 1.46
Set 2 6.55 ± 1.6a 6.55 ± 2.02a 6.23 ± 1.57a 6.36 ± 1.63a
Set 3 7.14 ± 1.10ab 7.05 ± 1.98ab 6.73 ± 1.79ab 7.00 ± 1.84ab
Set 4 7.55 ± 1.29abc 7.59 ± 1.71abc 7.18 ± 1.94abc 7.50 ± 1.72abc
Set 5 7.91 ± 1.22abc 7.91 ± 1.51abc 7.50 ± 1.66abc 7.73 ± 1.68abc
Set 6 8.91 ± 1.22abcde 8.55 ± 1.37abcde 8.27 ± 1.49abcde 8.36 ± 1.36abcde
Mean 7.23 ± 1.12 7.14 ± 1.58 6.84 ± 1.49 7.06 ± 1.44
  1. Values are mean ± SD
  2. Key: CT Control protocol, P Placebo treatment, S p-synephrine treatment, SCF p-synephrine plus caffeine treatment
  3. aP ≤ 0.05 from set 1; bP ≤ 0.05 from set 2; cP ≤ 0.05 from set 3; dP ≤ 0.05 from set 4; eP ≤ 0.05 from set 5