Table II.

Change in fasting levels of laboratory variables in the groups when comparing the 4 week exercise period with (n = 13), or without (n = 13), intake of blueberries. Delta values denote difference from baseline to the end of the period.

Variable	Supplement	Baseline before exercise period	After 4 weeks of exercise	P for difference within groups	P for group difference of delta values
S-LDL-chol (mmol/l)	Blueberries	2.86 ± 0.73	2.67 ± 0.80	0.037	0.13
	Control	2.55 ± 0.70	2.56 ± 0.73	0.91
S-HDL-chol (mmol/l)	Blueberries	1.51 ± 0.29	1.64 ± 0.33	0.006	0.088
	Control	1.43 ± 0.39	1.47 ± 0.42	0.20
S-triglycerides (mmol/l)	Blueberries	0.81 ± 0.28	0.83 ± 0.30	0.87	0.072
	Control	1.1 ± 0.49	0.93 ± 0.31	0.017
S-ApoB (g/l)	Blueberries	0.90 ± 0.21	0.86 ± 0.20	0.021	0.20
	Control	0.86 ± 0.21	0.85 ± 0.20	0.77
S-ApoA1 (g/l)	Blueberries	1.38 ± 0.19	1.44 ± 0.17	0.061	0.29
	Control	1.36 ± 0.26	1.37 ± 0.28	0.44
FS-glucose (mmol/l)	Blueberries	5.12 ± 0.49	5.32 ± 0.29	0.082	0.044
	Control	5.24 ± 0.27	5.17 ± 0.23	0.35
FS-insulin (pmol/l)	Blueberries	51 ± 24	43 ± 15	0.13	0.47
	Control	57 ± 19	54 ± 18	0.42
hs-CRP before race (mg/l)	Blueberries	0.64 ± 0.77	0.39 ± 0.45	0.33	0.20
	Control	0.33 ± 0.29	0.44 ± 0.59	0.33
hs-CRP after race (mg/l)	Blueberries	0.80 ± 0.65	0.46 ± 0.52	0.21	0.31
	Control	0.48 ± 0.50	0.45 ± 0.60	0.81
Troponin-T after race (ng/l)	Blueberries	8.6 ± 4.7	4.7 ± 2.8	0.029	0.058
	Control	5.6 ± 6.4	5.6 ± 3.7	0.97

Chol = cholesterol; FS = fasting serum; hs-CRP = high-sensitivity C-reactive protein; S = serum.