Table 2.

Hemoglobin, hematocrit, protein and sodium of all study participants before (pre), immediately after (post) and 14 days after (follow-up) the marathon

Parameter	Pre	Post	Follow-up	p (Pre vs. Post)	p (Pre vs. Follow-up)
Hemoglobin [mg/dl]	13.8 (13.1 - 14.3)	14.5 (13.8 - 15.6)	14.1 (13.4 - 15.0)	<0.001	<0.001
Hematocrit	0.40 (0.39 - 0.42)	0.42 (0.40 - 0.45)	0.42 (0.40 - 0.44)	<0.001	<0.001
Protein [g/dl]	7.2 (6.9 - 7.5)	8.0 (7.7 - 8.2)	7.4 (7.2 - 7.7)	<0.001	<0.001
Sodium [mmol/l]	140 (139 - 141)	143 (141 - 145)	140 (138 - 141)	<0.001	0.893

Values are shown as median (IQR). Statistically significant values are marked in bold.