Computer Tomographic Illustration of the Development of the Pulmonary Function in Bovine Neonates until the Twenty-First Day Postnatum

Table 4

Development of X-ray absorption values (HU) in the lung parenchyma of 15 vital calves comparing first and sixth hours of life.

Lung section	Measuring time (h)	𝑛	𝑥	±𝑠	Minimum	Maximum
A	1	60	−570	82	−718	−389
(dorsocranial)	6	60	−659	47	−753	−551
C	1	135	−488	58	−607	−328
(dorsocaudal)	6	135	−600	67	−716	−367
B	1	60	−304	149	−567	−56
(ventrocranial)	6	60	−417	133	−631	−16
D	1	131	−276	111	−478	−556
(ventrocaudal)	6	134	−407	102	−593	−83