Table 3.

Urinary biomarkers of renal damage: urinary neutrophil gelatinase-associated lipocalin (NGAL) and urinary creatinine (N = 24).

	Median	Min	Max
Pre-race uNGAL (ng/ml)	20.1	2	328.8
Post-race uNGAL (ng/ml)	53.1	2	376.1
Δ uNGAL (post–pre-race) (ng/ml)	10.2	−273.2	351.9
Pre-race uCr (mg/ml)	0.9	0.1	2.7
Post-race uCr (mg/ml)	1.4	0.4	2.6
Δ uCr (post–pre-race) (mg/ml)	0.5	−1.7	2
Pre-race uNGAL/uCr (ng/mg)	23.7	1.5	517.8
Post-race uNGAL/uCr (ng/mg)	35.5	0.9	313.4
Δ uNGAL/uCr (post–pre-race) (ng/mg)	−2.3	−475.7	308.8

min, minimum; max, maximum; N, number; uCr, urinary concentration of creatinine; uNGAL, urinary concentration of neutrophil gelatinase-associated lipocalin; Δ, difference between level post-race–level pre-race.