Effects of high intake of cod or salmon on gut microbiota profile, faecal output and serum concentrations of lipids and bile acids in overweight adults: a randomised clinical trial

Table 1 Participant characteristics at baseline: overview of all participants that completed the study and were included in the statistical analysis

	Cod group (N = 22)		Salmon group (N = 23)		Control group (N = 20)		P^*
Men/women	10/12		9/14		10/10		0.77
Age, years	47.2	38.0, 54.2	45.9	43.1, 52.2	39.8	31.1, 52.7	0.39
BMI, kg/m²	31.0	29.2, 35.9	31.9	29.9, 34.6	34.4	29.3, 36.5	0.64
Body fat, %	39.3	28.3, 42.9	39.9	30.0, 42.9	39.1	32.5, 41.0	0.99
Muscle mass, %	34.4	32.5, 41.4	33.3	31.5, 40.0	34.0	32.4, 38.5	0.85
Light physical activity, h/week	1	0, 4	2	2, 3	2	1, 3	0.35
Hard physical activity, h/week	2	0, 3	2	1, 2	2	0, 3	0.97
Glucose, mmol/l	5.2	4.9, 5.6	5.2	4.9, 5.5	5.3	4.8, 5.6	0.96
CRP, mg/l	2.0	0.78, 3.25	2.0	0.9, 3.0	2.5	2.0, 5.8	0.084
ALT, U/l	27	20, 43	26	17, 39	28	16, 36	0.56

Medians and 25th and 75th percentiles
CRP C-reactive protein, ALT alanine transaminase
^*Groups were compared at the baseline using the Pearson’s χ² (categorical data) or the Kruskal–Wallis test (continuous data). Glucose, CRP and ALT were measured in serum collected in a fasting state