 
 
 1 
S10 Table. Low level of agreement factors. 
Factors that achieved a level of agreement of 0-39% after all three rounds (n=54). 
 
Factor 
 
Level of agreement (%) 
Training 
Power capacity 
33,3 
Heart volume 
33,3 
Lung volume 
16,7 
Strength capacity 
16,7 
Metabolism 
Myoglobin storage capacity 
33,3 
Lactate dehydrogenase metabolism 
33,3 
Thermogenesis 
5,6 
Body 
Subcutaneous adipose tissue 
16,7 
Muscle fibres - contraction velocity capacity 
11,1 
Muscle fibres - hypertrophy capacity  
11,1 
Hormones 
Oestradiol level 
33,3 
Thyroid hormones level 
27,8 
Gonadotropin-releasing hormone level 
22,2 
Dihydrotestosterone level 
11,1 
Epinephrine level 
11,1 
Norepinephrine level 
11,1 
Progesterone level 
11,1 
Gonad corticoids level 
11,1 
Androstenedione level 
11,1 
Follicle-stimulating hormone level 
11,1 
Ghrelin level 
5,6 
Dehydroepiandrosterone level 
5,6 
Human chorionic gonadotropin level 
5,6 
Nutrition 
Magnesium deficiency 
38,9 
Steroid metabolism 
33,3 
Cell hydration status 
33,3 
Caffeine metabolism 
33,3 
Zinc deficiency 
27,8 
Bicarbonate level 
27,8 
Leucine level 
22,2 
Creatine level 
22,2 
Antioxidant level 
22,2 
Vitamin C deficiency 
22,2 
Cholesterol level 
22,2 
 
2 
Carnosine level 
16,7 
Folic acid deficiency 
16,7 
Unsaturated fat metabolism 
16,7 
Omega 3 level 
16,7 
Saturated fat metabolism 
11,1 
Beta carotene deficiency 
11,1 
Vitamin A deficiency 
11,1 
Vitamin E deficiency 
11,1 
Selenium deficiency 
11,1 
Omega 6 level 
11,1 
L-carnitine level 
5,6 
Valine level 
5,6 
Immune system 
Cytokine responses 
27,8 
Detoxification process 
11,1 
Injuries 
Risk of left ventricular hypertrophy 
27,8 
Risk of metabolic myopathy 
11,1 
Psychological 
Risk of eating disorders 
16,7 
Environment 
Alcohol usage 
22,2 
Smoking behaviour 
11,1 
Proposed factor 
(Sedentary) lifestyle 
16,7 
 

Factors associated with high-level endurance performance: An expert consensus derived via the Delphi technique.
Konopka, Magdalena J,Zeegers, Maurice P,Solberg, Paul A,Delhaije, Louis,Meeusen, Romain,Ruigrok, Geert,Rietjens, Gerard,Sperlich, Billy