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. 2021 Nov 10;11(11):3216. doi: 10.3390/ani11113216

Table 1.

Means and standard deviations of the blood gas variables pO2 (partial pressure of oxygen), pCO2 (partial pressure of carbon dioxide), and sO2 (oxygen saturation) in 20 neonatal calves in the first 24 h of life. Within rows, values with an asterisk differ significantly from the 15 min value. v, venous; a, arterial.

0 min (v) 15 min (a) 2 h (a) 6 h (a) 12 h (a) 24 h (a)
pH 7.21 ± 0.08 7.29 ± 0.06 7.33 ± 0.04 7.34 ± 0.04 * 7.39 ± 0.03 * 7.41 ± 0.03 *
pO2 (mmHg) 26.77 ± 5.94 51.93 ± 12.54 62.87 ± 12.89 69.32 ± 10.58 * 74.01 ± 12.27 * 71.49 ± 12.50 *
pCO2 (mmHg) 67.53 ± 8.62 55.29 ± 4.01 54.36 ± 5.27 50.42 ± 6.61 45.33 ± 8.37 * 47.15 ± 4.47 *
sO2 (%) 50.70 ± 14.86 85.93 ± 7.71 93.05 ± 3.69 * 94.80 ± 2.79 * 95.67 ± 1.78 * 94.93 ± 2.09 *