Table 1. Comparison of clinical parameters between hemoglobinuria group and non-hemoglobinuria group patients after microwave ablation for large hepatic cavernous hemangiomas.
| Variable | hemoglobinuria (n = 20) | Non-hemoglobinuria (n = 29) | P value |
|---|---|---|---|
| Age (y) | 43.85 ± 7.31 | 42.75 ± 8.89 | 0.653 |
| Gender (women/men) | 15/5 | 21/8 | 0.840 |
| Max diameter (cm) | 8.26 ± 1.92 | 6.89 ± 1.48 | 0.007 |
| Ablation time (s) | 1506.00 ± 440.86 | 1075.51 ± 529.82 | 0.004 |
| Tumor volume (ml) | 156.24 ± 80.89 | 119.62 ± 71.45 | 0.101 |
| No. of antenna insertion | 4.80 ± 1.32 | 3.72 ± 1.22 | 0.005 |
| Energy (J) | 154650 ± 59004 | 92151 ± 36367 | 0.001 |
| ALT-pre (U/L) | 18.55 ± 11.71 | 16.65 ± 12.02 | 0.591 |
| AST-pre (U/L) | 17.10 ± 6.54 | 15.75 ± 4.53 | 0.408 |
| STB-pre (U/L) | 13.41 ± 4.56 | 11.75 ± 3.97 | 0.195 |
| ALP-pre (U/L) | 60.77 ± 14.26 | 58.20 ± 11.10 | 0.495 |
| Cre-pre (μmol/L) | 67.81 ± 12.42 | 63.60 ± 11.56 | 0.239 |
| BUN-pre (mmol/L) | 4.70 ± 1.25 | 4.36 ± 1.13 | 0.329 |
| ALT-post (U/L) | 216.42 ± 189.54 | 100.22 ± 61.70 | 0.003 |
| AST-post (U/L) | 313.71 ± 281.30 | 145.73 ± 116.43 | 0.006 |
| STB-post (U/L) | 41.07 ± 31.86 | 27.37 ± 16.31 | 0.054 |
| ALP-post (U/L) | 56.52 ± 12.99 | 57.45 ± 12.45 | 0.823 |
| Cre-post (μmol/L) | 90.08 ± 47.12 | 59.87 ± 17.04 | 0.004 |
| BUN-post (mmol/L) | 6.95 ± 6.04 | 3.82 ± 1.59 | 0.013 |
| Tumor reduction rate (%) | 52.14 ± 25.35 | 53.97 ± 22.97 | 0.832 |
Abbreviations; ALT: alanine aminotransferase; AST: aspartate aminotransferase; STB: total bilirubin; ALP: alkaline phosphatase; Cre: creatinine; BUN: blood urea nitrogen; *-pre: index of preablation; *-post: index of postablation.