Parameters | ABG (mean (SD)) | VBG (mean (SD)) | Bland–Altman 95% limits of agreement |
---|---|---|---|
ABG, arterial blood gas, CI, confidence interval; Pco2, partial pressure of carbon dioxide; Po2, partial pressure of oxygen; VBG, venous blood gas. | |||
pH | 7.384 (0.124) | 7.369 (0.12) | 0.13 to −0.1 |
Pco2 (mm Hg) | 39 (15.11) | 42 (20.71) | 6.8 to −7.6 |
Bicarbonate (mEq/l) | 23.58 (8.86) | 24.32 (9.43) | 4.3 to −5.8 |
Po2 (mm Hg) | 115 (64.5) | 50 (24.39) | 145.3 to −32.9 |