Table 3. Comparison of ETR and non-ETR group.
| Variables, n (%) | ETR (n = 22) | Non-ETR (n = 21) | P value |
|---|---|---|---|
| Gender (male) | 15 (68.2) | 15 (71.4) | 0.817 |
| Age > 70 year | 12 (54.5) | 12 (57.1) | 0.864 |
| Hepatitis B virus | 11 (50.0) | 12 (57.1) | 0.639 |
| Hepatitis C virus | 10 (45.5) | 5 (23.8) | 0.137 |
| Hypertension | 8 (36.4) | 13 (61.9) | 0.094 |
| Diabetes mellitus | 7 (31.8) | 5 (23.8) | 0.558 |
| Coronary artery disease | 5 (22.7) | 2 (9.5) | 0.412 |
| Liver cirrhosis | 22 (100.0) | 20 (95.2) | 0.488 |
| Child-Pugh Classification | |||
| A | 20 (90.9) | 20 (95.2) | > 0.999 |
| B | 2 (9.1) | 1 (4.8) | |
| AJCC | |||
| I-II | 17 (77.3) | 17 (81.0) | > 0.999 |
| III | 5 (22.7) | 4 (19.0) | |
| Number of tumors | |||
| Single | 19 (86.4) | 14 (66.7) | 0.162 |
| Multiple | 3 (13.6) | 7 (33.3) | |
| Tumor size < 5 cm | 20 (90.9) | 11 (52.4) | 0.005 |
| Portal vein thrombosis | 6 (27.3) | 2 (9.5) | 0.240 |
| Hepatic vein thrombosis | 3 (13.6) | 0 (0) | 0.233 |
| Bile duct dilatation | 2 (9.1) | 4 (19.0) | 0.412 |
| Radiation dose | |||
| 72.6 GyE | 11 (50.0) | 14 (66.7) | 0.268 |
| 66 GyE | 11 (50.0) | 7 (33.3) | |
| Complete response | 20 (90.9) | 5 (23.8) | < 0.001 |
| Local tumor control | 21 (95.5) | 19 (90.5) | 0.607 |
| Mortality | 3 (13.6) | 10 (47.6) | 0.015 |
AJCC: American Joint Committee on Cancer 8th edition; CR: complete response; ETR: early tumor regression; GyE: Gray equivalents.