Table 3. Correlation analyses between biochemical and CPET parameters.

	ABTS	FRAP	ROSa	MDA	CAT	GPx	SOD
Exercise duration	−0.146	−0.195	0.141	−0.263*	−0.237	−0.008	−0.043
Peak oxygen Consumptiona	0.00	0.064	−0.08	−0.169	−0.251*	0.021	0.002
Metabolic equivalentsa	−0.036	0.109	0.031	−0.185	−0.157	0.015	−0.01
Respiratory exchange ratio	0.126	−0.008	0.144	−0.027	0.006	0.151	0.046
Minute ventilation	−0.126	−0.062	−0.014	−0.056	−0.029	0.083	−0.091
Breathing rate	0.121	0.057	0.049	−0.019	0.022	−0.136	0.146
Ventilatory tidal volume	0.022	−0.057	−0.023	−0.055	−0.026	−0.034	0.058
Respiratory frequency	−0.139	−0.057	0.033	−0.023	0.034	0.165	−0.187
Heart rate peak	0.057	0.07	−0.065	−0.023	−0.049	−0.095	−0.098
Oxygen pulse	−0.253*	−0.166	−0.165	−0.039	0.04	0.025	−0.084
Cardiac output	−0.252*	−0.132	−0.065	−0.099	−0.078	0.04	−0.125
Partial pressure end-tidal carbon dioxide	−0.078	−0.016	0.097	−0.04	−0.093	−0.035	−0.07
Partial pressure end-tidal oxygen	0.112	0.049	−0.022	0.091	0.047	0.097	0.039
Ventilatory equivalent of carbon dioxidea	0.064	0.026	−0.057	0.023	0.019	0.004	0.042
Ventilatory equivalent of oxygena	0.084	−0.039	−0.009	0.041	−0.028	0.048	0.028

Notes.

ABTS

ABTS radical scavenging activity

FRAP

Ferric reducing ability of plasma

ROS

Reactive oxygen species

MDA

Malondialdehyde

CAT

Catalase activity

GPx

Glutathione peroxidase activity

SOD

Superoxide dismutase activity

^aindicates non-distributed data and analysed using Spearman’s correlation analyses; Other data is normally distributed and analysed using Pearson’s correlation analyses; data is presented as correlation coefficients (r).

^*indicates the correlation is significant at the 0.05 level (2-tailed).