Table 3.

Hydration status and fluid loss estimations by gender.

Gender (N)	Day	Fluid Intake		Sweat Lost
		Total, ml	Rate, ml/kg/hr	Total, ml	Rate, ml/kg/hr	Estimation, ml	Underestimation, %
Male (20)	1	1361.9 ± 482.5	9.4 ± 3.3	1917.8 ± 517	13.3 ± 3.6	372.6 ± 184.2*	80.6 ± 12.6
	2	1876.4 ± 637.9	6.4 ± 2.1	3023.9 ± 889.4	10.3 ± 2.8	857.6 ± 374.3*	71.6 ± 13.4
	3	1628 ± 336.7	6.5 ± 1.2	2136.7 ± 846.1	8.5 ± 3.0	1324.9 ± 630*	38 ± 30.2
Female (16)	1	1194 ± 483.8	9.7 ± 3.6	927.9 ± 445.4	7.5 ± 3.5	334.6 ± 243.8*	63.9 ± 71.1
	2	1085 ± 569	10.3 ± 6.2	804 ± 423	7.7 ± 4.6	460 ± 282.6*	42.8 ± 36.5
	3	1201.4 ± 643.6	10.3 ± 5	1334.5 ± 944.4	11.5 ± 7.7	528.6 ± 285.3*	60.4 ± 212.4

Note

^*significantly different than total measured sweat loss, p<0.05.