2.14. Statistical Analysis
obese, overweight
OBESE
An a priori sample size calculation was conducted using G-power 3.1.9.2 software. The rationale for the sample size was based on a previous work, which documented significant improvements in CRP concentrations in overweight and obese individuals. By utilizing the equation for effect size (ES) {(mean before − mean after CT)/the pooled standard deviation}, this study revealed an ES of 0.53 {(4.90 − 3.54)/5.07}. In the present study and based on α = 0.05, a power (1 − β) of 0.80 and an ES = 0.53 (highest approximate effect size), a total sample size of at least 44 participants (