Table 4.

Differences in C (or FGCMs, accordingly) concentrations from different matrices according to sex.

Matrices	Sex						Mann–Whitney		Effect Size
	Males			Females
	M	SD	N	M	SD	N	Z	p	r
Serum (V)	89.71	24.03	25	96.53	27.23	31	−1.39	0.164	−0.19
Saliva	10.12	6.31	15	15.32	4.86	14	−2.27	0.023	−0.42
Faeces	23.66	9.88	22	21.47	10.33	21	−0.91	0.362	−0.14
Hair	25.98	11.05	20	28.64	13.92	23	−0.44	0.661	−0.07