Table 6.
Relations between arterial pro-brain natriuretic peptide (proBNP) and brain natriuretic peptide (BNP) concentrations and clinical, cardiac, and haemodynamic variables in multiple regression analysis
| Variable | Regression coefficient | SEM | p Value |
| Arterial proBNP versus variables (cirrhosis, n = 51) | |||
| Mean arterial pressure (mm Hg) | −0.506 | 0.118 | <0.0001 |
| Child score | 4.703 | 1.214 | 0.0004 |
| Arterial CO2 tension (kPa) | −10.73 | 3.11 | 0.001 |
| RR interval (s) | −0.449 | 0.140 | 0.003 |
| Body mass index (kg/m2) | −12.84 | 4.12 | 0.003 |
| Arterial O2 tension (kPa) | −2.570 | 0.911 | 0.007 |
| QT (s) | 7.77 | 3.18 | 0.019 |
| QTc (s½) | 0.1 | ||
| (r2 for model = 0.569, p = 0.000006) | 80.16 | ||
| Arterial BNP versus variables (cirrhosis, n = 51) | |||
| RR interval (s) | −0.371 | 0.102 | 0.0008 |
| Arterial O2 tension (kPa) | −1.865 | 0.650 | 0.006 |
| Child score | 2.270 | 0.813 | 0.008 |
| QT (s) | 6.254 | 2.42 | 0.013 |
| QTc (s½) | 0.1 | ||
| (r2 for model = 0.394, p = 0.0001) | 41.11 | ||