Mean (SE) perceptual and lactate responses to exercise challenge in Veterans with Gulf War Illness (GWI), the GWI subgroup with PEM endorsement (GWI+PEM) subgroup, and control Veterans without GWI (CO)
Note. Total participants with complete listwise data across all time-points for each outcome are listed as follows: Ratings of Perceived Exertion (GWI=32; GWI+PEM=15; CO=27); Leg Muscle Pain Intensity (GWI=33; GWI+PEM=15; CO=26); Fatigue (GWI=33; GWI+PEM=15; CO=27); Blood Lactate (GWI=32; GWI+PEM=16; CO=23)