Figure 1
From: Effect of prolonged stress on the adrenal hormones of individuals with irritable bowel syndrome
Comparison of the transitions of the cortisol/DHEA ratio between the IBS group and the control group. N = 26 (IBS group, 10; control group, 16). Interaction between IBS and time (F [2.00, 231.79] = 6.81, p = 0.001): IBS > Control (30 min after awakening). Effect of day (F [3.00, 241.65] = 3.03, p = 0.03): Day 2 > Day 1. Error bars denote standard errors.