Table 2.
Association between hepatic vein waveform, other ultrasound, and biochemical parameters in cirrhotic subjects
| Variables | Triphasic (n=14) | Biphasic (n=20) | Monophasic (n=26) | P |
|---|---|---|---|---|
| MM-PVV (cm/s) mean±SD | 25.4±8.3 | 23.9±11.6 | 20.5±10.3 | 0.319# |
| Velocity ≥15 | 13 (92.9) | 16 (80.0) | 17 (65.4) | 0.134* |
| Velocity <15 | 1 (7.1) | 4 (20.0) | 9 (34.6) | |
| PVD (cm), mean±SD | 1.3±0.2 | 1.2±0.3 | 1.4±0.3 | 0.211# |
| Diameter <1.30 | 5 (35.7) | 12 (60.0) | 10 (38.5) | 0.252* |
| Diameter ≥1.30 | 9 (64.3) | 8 (40.0) | 16 (61.5) | |
| Ascites, n (%) | ||||
| Absent | 6 (42.9) | 4 (20.0) | 3 (11.5) | 0.221* |
| Mild | 1 (7.1) | 4 (20.0) | 5 (19.2) | |
| Moderate to severe | 7 (14.3) | 12 (30.0) | 18 (19.2) | |
| Liver span (cm), mean±SD | 11.6±1.6 | 13.0±2.7 | 11.9±2.4 | 0.185# |
| Splenic span (cm), mean±SD | 15.2±3.6 | 14.9±3.4 | 15.2±3.6 | 0.827# |
| Span <12.0 | 3 (21.4) | 4 (20.0) | 4 (15.4) | 0.836* |
| Span >12.5 | 11 (78.6) | 16 (80.0) | 22 (84.6) | |
| Bilirubin (µmol/l), mean±SD | 42.5±26.9 | 36.5±22.2 | 54.5±33.0 | 0.101# |
| Albumin (g/l), mean±SD | 27.9±9.1 | 27.1±6.8 | 30.1±5.8 | 0.319# |
| PT (s), mean±SD | 17.5±3.2 | 17.4±3.4 | 18.9±3.6 | 0.266# |
| INR, mean±SD | 1.5±0.3 | 1.4±0.3 | 1.6±0.4 | 0.265# |
| Na (mmol/l), mean±SD | 129.9±6.1 | 125.0±22.8 | 130.9±5.4 | 0.346# |
| K (mmol/l), mean±SD | 3.6±0.5 | 3.8±0.5 | 3.9±0.6 | 0.405# |
| Creatinine (µmol/l), mean±SD | 84.6±15.3 | 86.2±20.0 | 82.6±19.6 | 0.814# |
| Urea (mmol/l), mean±SD | 5.5±2.3 | 6.1±2.5 | 7.3±4.0 | 0.212# |
*Chi-square/Fisher’s exact test statistic was used to compare proportions, #One-way ANOVA was used to compare means. PVD: Portal vein diameter, PT: Prothrombin time, INR: International normalized ratio, SD: Standard deviation, MM-PVV: Mean maximum portal vein velocity