Statistical analysis
PREDIABETIC STATE, INSULIN SENSITIVITY
Data are presented as mean ± standard deviation (SD), unless stated otherwise. Based on a power calculation before the start of the study, 34 participants were needed to detect a true difference of 15% in insulin sensitivity expressed as the M-value with a within-subject variability of 4.23%, a power of 80%, and a two-tailed alpha of 0.05.Values at the start of each period were compared with a paired-samples t-test. Differences in BMI and age between prediabetic states, 