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 2 Participant characteristics at baseline: overview of participants that collected faeces

	Cod group (N = 10)		Salmon group (N = 15)		Control group (N = 12)		P^*
Men/women	5/5		10/5		6/6		0.58
Age, years	49.4	36.6, 54.5	46.4	43.2, 53.9	39.8	31.1, 52.7	0.28
BMI, kg/m²	30.4	28.8, 36.7	31.5	29.5, 34.6	33.3	29.1, 36.2	0.90
Body fat, %	37.9	28.2, 40.8	39.9	30.0, 42.2	39.1	33.0, 40.1	0.84
Muscle mass, %	34.6	32.6, 40.7	33.3	31.8, 40.0	34.0	33.2, 37.9	0.81
Light physical activity, h/week	1	1, 3	2	1, 3	2	1, 3	0.81
Hard physical activity, h/week	2	0, 4	2	1, 2	2	0, 3	0.80
Glucose, mmol/l	5.2	4.9, 5.6	5.3	5.1, 5.6	5.2	4.7, 5.8	0.75
CRP, mg/l	2.0	0.9, 4.3	2.0	0.9, 3.0	4.0	2.0, 9.8	0.23
ALT, U/l	25	20, 44	25	17, 32	23	15, 34	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