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. 2020 Feb 21;2(1):19–24. doi: 10.1016/j.smhs.2020.02.003

Table 3.

Mean and maximum gastrointestinal symptom scores for experimental conditions during exercise.

Symptoms Control
Heat
Npx
NpxHeat
Incidence Max (M ± SD) Incidence Max (M ± SD) Incidence Max (M ± SD) Incidence Max (M ± SD)
Upper
 Reflux/Heartburn 0% 0% 1.1% 2 (0.0 ± 0.2) 0%
 Belching 0% 0% 0% 0%
 Bloating 0% 4.5% 4 (0.1 ± 0.5) 3.4% 3 (0.1 ± 0.3) 1.1% 2 (0.0 ± 0.2)
 Stomach pain 0% 4.5% 4 (0.1 ± 0.6) 5.7% 2 (0.1 ± 0.4) 0%
 Vomiting 0% 1.1% 5 (0.1 ± 0.5) 0% 1.1% 7 (0.1 ± 0.7)
 Nausea 4.5% 8 (0.2 ± 0.9) 2.3% 7 (0.1 ± 0.9) 1.1% 8 (0.1 ± 0.8) 1.1% 7 (0.1 ± 0.7)
Lower
 Intestinal cramps 13.6% 3 (0.3 ± 0.9) 4.5% 4 (0.1 ± 0.6) 0% 9.1% 3 (0.1 ± 0.4)
 Flatulence 2.3% 1 (0.0 ± 0.1) 0% 0% 0%
 Urge to defecate 0% 1.1% 4 (0.0 ± 0.4) 2.3% 4 (0.1 ± 0.4) 2.3% 4 (0.1 ± 0.6)
 Abdominal pain 0% 0% 0% 0%
 Loose stool/Diarrhea 0% 0% 0% 0%
Systemic
 Dizziness 3.4% 4 (0.1 ± 0.5) 1.1% 5 (0.1 ± 0.5) 0% 0%
 Headache 9.1% 4 (0.2 ± 0.9) 1.1% 4 (0.0 ± 0.4) 0% 0%
 Muscle cramps 0% 0% 0% 0%
 Urge to urinate 20.4% 8 (0.8 ± 1.9) 10.2% 7 (0.4 ± 1.5) 26.1% 8 (0.9 ± 1.9) 5.6% 5 (0.1 ± 0.7)