Table 2 Laboratory analyses of bone marrow, venous and arterial blood
Laboratory variable | Bone marrow | Venous blood | Arterial blood | P value for paired difference (BM vs. vein) | P value for paired difference (BM vs. artery) |
|---|---|---|---|---|---|
pH | 7.38 ± 0.036 | 7.40 ± 0.031 | 7.42 ± 0.048 | 0.028 | 0.002 |
pO2 (kPa) | 5.11 ± 0.68 | 5.63 ± 2.17 | 11.15 ± 2.79 | 0.26 | < 0.001 |
pCO2 (kPa) | 5.78 ± 0.81 | 5.62 ± 0.87 | 4.93 ± 0.84 | 0.27 | < 0.001 |
HCO3 (mmol/L) | 25.43 ± 2.83 | 25.25 ± 2.85 | 22.92 ± 1.86 | 0.66 | < 0.001 |
BE (mmol/L) | -0.042 ± 2.46 | 0.20 ± 2.27 | -1.09 ± 1.57 | 0.56 | 0.030 |
Na+ (mmol/L) | 138.96 ± 1.83 | 140.29 ± 2.26 | n.a. | 0.015 | - |
K+ (mmol/L) | 4.96 ± 0.64 | 4.06 ± 0.37 | n.a. | 0.000 | - |