Table 5.
The Multivariate Analysis of the Clinical Variables
| Table Analyzed | Multiple Regression of Clinical Variables | ||||||
|---|---|---|---|---|---|---|---|
| Dependent variable | PVT | ||||||
| Regression type | Least squares | ||||||
| Model | |||||||
| Analysis of Variance | SS | DF | MS | F (DFn, DFd) | P value | ||
| Regression | 14.47 | 4 | 3.616 | F (4, 95) = 21.78 | P<0.0001 | ||
| EV | 3.546 | 1 | 3.546 | F (1, 95) = 21.36 | P<0.0001 | ||
| Abd pain | 0.7681 | 1 | 0.7681 | F (1, 95) = 4.626 | P=0.0340 | ||
| E | 0.3170 | 1 | 0.3170 | F (1, 95) = 1.909 | P = 0.1703 | ||
| Age | 2.640 | 1 | 2.640 | F (1, 95) = 15.90 | P = 0.0001 | ||
| Residual | 15.77 | 95 | 0.1661 | ||||
| Total | 30.24 | 99 | |||||
| Parameter estimates | Variable | Estimate | Standard error | 95% CI (asymptotic) | |t| | P value | P value summary |
| β0 | Intercept | −1.155 | 0.4583 | −2.065 to −0.2452 | 2.520 | 0.0134 | * |
| β1 | EV | 0.2851 | 0.06169 | 0.1626 to 0.4076 | 4.621 | <0.0001 | **** |
| β2 | Abd PAIN | 0.1143 | 0.05312 | 0.008791 to 0.2197 | 2.151 | 0.0340 | * |
| β3 | E | 0.07720 | 0.05587 | −0.03372 to 0.1881 | 1.382 | 0.1703 | ns |
| β4 | Age | 0.02663 | 0.006679 | 0.01337 to 0.03989 | 3.987 | 0.0001 | *** |
| Goodness of Fit | |||||||
| Degrees of Freedom | 95 | ||||||
| R squared | 0.4783 |
Notes: *Statistically significant, ***High statistical significance, ****Very high statistical significance.
Abbreviations: PVT, portal vein thrombosis; EV, esophageal varices; Abd, abdominal; E, encephalopathy; ns, not statistically significant.