Table 4.
The results of the univariate analyses.
| Variables | Shunt patency | HE | Survival | ||||||
|---|---|---|---|---|---|---|---|---|---|
| HR | 95% CI | P value | HR | 95% CI | P value | HR | 95% CI | P value | |
| Gender (M/F) | 1.59 | 1.10–2.37 | 0.032 | 1.02 | 0.82–1.41 | NS | 1.31 | 0.82–2.05 | NS |
| Age (y) | 0.89 | 0.95–1.02 | NS | 1.04 | 1.02–1.06 | <0.001 | 1.02 | 0.98–1.05 | NS |
| Main preoperative symptoms (bleeding/ascites) | 0.72 | 0.48–1.12 | NS | 1.27 | 0.78–2.04 | NS | 1.65 | 1.12–2.54 | 0.039 |
| Previous ascites (yes/no) | 0.89 | 0.65–1.43 | NS | 1.65 | 1.14–2.41 | 0.021 | 2.42 | 1.58–3.76 | 0.002 |
| Previous HE (yes/no) | 0.95 | 0.71–1.54 | NS | 1.74 | 1.22–2.60 | 0.016 | 0.71 | 0.46–1.12 | NS |
| Platelet count (×109/L) | 1.01 | 0.98–1.03 | NS | 1.01 | 0.99–1.02 | NS | 0.99 | 0.99–1.0 | 0.025 |
| Serum albumin (g/L) | 0.96 | 0.94–1.02 | NS | 0.97 | 0.94–0.99 | 0.021 | 0.95 | 0.91–0.98 | 0.032 |
| Serum bilirubin (mmol/L) | 1.00 | 0.98–1.01 | NS | 1.00 | 0.99–1.01 | NS | 1.01 | 1.00-1.02 | 0.012 |
| INR | 0.84 | 0.51–1.43 | NS | 2.19 | 1.20–3.74 | 0.010 | 3.02 | 1.76–5.09 | <0.001 |
| Child-Pugh score | 1.05 | 0.91–1.15 | NS | 1.37 | 1.26–1.49 | 0.006 | 1.49 | 1.35–1.65 | <0.001 |
| MELD score | 0.97 | 0.90–1.03 | NS | 1.28 | 1.17–1.41 | 0.021 | 1.09 | 1.04–1.14 | 0.005 |
| Reduction ratio of PSG (%) | 0.99 | 0.98–1.01 | NS | 1.04 | 1.02–1.06 | 0.007 | 1.01 | 0.99–1.02 | NS |
| Stent diameter (6/8 mm) | 2.04 | 1.52–3.15 | <0.001 | 1.97 | 1.56–2.58 | < 0.001 | 0.80 | 0.54–1.20 | NS |
| Puncture site of portal vein (bifurcation/right/left) | 1.84 | 1.54–2.21 | 0.012 | 2.30 | 1.62–3.28 | <0.001 | 1.75 | 1.32–2.42 | 0.004 |
HE: hepatic encephalopathy; INR: international normalized ratio; MELD: model for end-stage liver diseases; NS: nonsignificant; PSG: portosystemic pressure gradient.