Table 3.

Brachial artery diameter results, pre- and post-treatment

Period	Variable	Omega-3 mean (SD)	Placebo mean (SD)	p valuea
Pre-treatment	Baseline, cm	0.32 (0.06)	0.33 (0.06)	0.52
	30 s, cm	0.34 (0.06)	0.35 (0.06)	0.58
	30 s % change	6.53 (5.51)	6.33 (6.63)	0.88
	60 s, cm	0.36 (0.06)	0.37 (0.06)	0.43
	60 s % change	12.02 (6.00)	12.31 (7.23)	0.84
	90 s, cm	0.36 (0.06)	0.37 (0.06)	0.50
	90 s % change	12.30 (6.83)	11.94 (7.24)	0.82
Post-treatment	Baseline, cm	0.32 (0.04)	0.33 (0.06)	0.38
	30 s, cm	0.34 (0.05)	0.35 (0.06)	0.43
	30 s % change	5.97 (6.10)	5.73 (6.54)	0.87
	60 s, cm	0.35 (0.04)	0.36 (0.06)	0.32
	60 s % change	9.59 (6.93)	9.52 (6.60)	0.97
	90 s, cm	0.35 (0.04)	0.36 (0.06)	0.23
	90 s % change	8.48 (8.63)	9.00 (7.82)	0.78
Pre–post differences	Baseline, cm	0.00 (0.04)	0.00 (0.05)	0.99
	30 s % change	–0.60 (7.80)	–0.89 (0.83)	0.87
	60 s % change	–2.36 (10.01)	–2.73 (8.72)	0.86
	90 s % change	–3.96 (11.73)	–2.76 (9.68)	0.62

^aBased on a two-sample t test