TABLE 3.

¹⁵O-H₂O-PET/CT and cardiac MRi left ventricle myocardial mass (LVMM), ultrasonography assessed spleen volume and DXA lower extremities total mass and bone mineral content (BMC) of 11 breath hold divers.

	Rest	Apnea
15O-H2O-PET/CT assessed LVMM/g	149 ± 11	146 ± 12
Cardiac MRi assessed LVMM/g	116 ± 6	112 ± 5
Ultrasonography assessed spleen volume/mL	230 ± 29	128 ± 21 (*1, *2)
DXA assessed lower extremities total mass (g)	23,792 ± 1,084	23,546 ± 1,077 (*1, *2)
DXA assessed lower extremities BMC (g)	982 ± 37	984 ± 38

Basic morphometric data. Values are mean ± Standard error of mean. *1: p < 0.001 compared to rest. *2: n = 10: 1 subject moved abroad during the study.