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. Author manuscript; available in PMC: 2021 Jan 1.
Published in final edited form as: Int J Psychophysiol. 2019 Nov 28;147:202–212. doi: 10.1016/j.ijpsycho.2019.11.008

Figure 1.

Figure 1.

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)