Biomarkers in Endurance Exercise: Individualized Regulation and Predictive Value

Table 2

Summary of statistics of the calculated regression trees and subsequent ranking of the best-performing biomarkers considering their prediction ability and GAQ.

Biomarker	Biomarker concentration at 24 h post		Difference in isometric quadriceps flexion (24 h post-pre)		Subjective feeling of exhaustion (BORG scale)		Summary
	TD1	TD2	TD1	TD2	TD1	TD2	Σ RMSE	Ranking
	RMSE
Cortisol	0.16	0.19	7.72	6.34	0.66	0.70	15.77	1
IL-1RA	0.32	0.41	9.19	6.69	1.16	1.15	18.92	2
IL-8	0.24	0.32	11.45	7.78	0.89	0.93	21.61	3
CK	0.35	0.47	11.58	8.51	1.10	1.19	23.2	4
TBARS	0.19	0.19	14.43	7.81	1.01	1.25	24.88	5
IL-15	0.39	0.35	17.43	13.35	1.11	1.46	34.09	6
LDH	0.35	0.34	18.19	13.31	1.66	1.40	35.25	7
IL-10	0.80	0.24	18.66	13.47	1.36	1.38	35.91	8
IL-6	0.26	0.41	20.79	14.10	1.90	1.81	39.27	9
CRP	0.63	0.75	23.47	15.81	1.87	2.00	44.53	10