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Table 2 Magnitude-based inference results

From: The effects of pre versus post workout supplementation of creatine monohydrate on body composition and strength

 

POST-SUPP

PRE-SUPP

  

Measures

Mean ± SD

Mean ± SD

Difference ± 90CIa

Qualitative Inference

BW (kg)

0.8 ± 0.9

0.4 ± 2.2

0.4 ± 1.3

Trivial

FFM (kg)

2.0 ± 1.2

0.9 ± 1.8

1.1 ± 1.2

Possibly beneficial

FM (kg)

−1.2 ± 1.6

−0.1 ± 2.0

1.1 ± 1.5

Possibly beneficial

1-RM BP (kg)

7.6 ± 6.2

6.6 ± 8.2

1.2 ± 1.7

Likely beneficial

  1. Changes in body composition and performance in PRE-SUPP vs. POST-SUPP groups, and qualitative inferences about the effects on body composition and bench press strength.
  2. Values reported as mean ± standard deviation (SD); BW body weight, FFM fat-free mass, FM fat mass. a ± 90% CI: add and subtract this number to the mean difference to obtain the 90% confidence intervals for the true difference. Qualitative inference represents the likelihood that the true value will have the observed magnitude.