2.8. Data Analysis and Statistics
fatigue
The analysis objective was to observe differences in the strength recovery, fatigue index and plasma markers between placebo and NPN_1 supplementation. Adjudication of trial adherence was performed blinded; those who did not adhere to the inclusion/exclusion criteria throughout the trial were removed from the per protocol analysis group.Data were analysed using GraphPad Prism Version 9. Descriptive statistics are presented numerically in terms of the mean ± SEM, and graphically using error bar plots and boxplots. All statistical tests were performed two-sided and interpreted using a 5% level of significance. For exploratory purposes, appropriate additional tests were used to determine between- and within-group differences. Where appropriate, a ROUT outlier analysis was performed with a 1% threshold [