Table 1. Summary of current studies.
| Study | Ablation type | No. patients | No. tumors | Tumor size cm range (median) or ∗mean or >/< 3 cm | Overall survival 1 year % | Overall survival 3 years % | Overall survival 5 years % | Major complications |
|---|---|---|---|---|---|---|---|---|
| Carrafiello G et al 19 | RFA | 6 | 6 | 1–5.8 (3.8) | – | – | – | 0 |
| Kim JH et al 21 | RFA | 13 | 17 | 0.8–8 (2.5) | 85 | 51 | 15 | 1 |
| Giorgio A et al 20 | RFA | 10 | 12 | 2.4–7 (3.2) | 100 | 83.3 | 83.3 | 0 |
| Kim JH et al 22 | RFA | 20 | 29 | 0.7–4.4 (1.5) | 74 | – | – | 2 |
| Xu HX et al 30 | RFA 12 MWA 6 |
18 | 25 | 0.7–4.3 (2.8) | 36.3 | 30.3 | 30.3 | 1 |
| Fu Y et al 13 | RFA | 17 | 26 | 2.1–6.8 (4.4) | 84.6 | 43.3 | 28.9 | 1 |
| Zhang SJ et al 31 | RFA MWA |
77 | 133 | >3cm (52 pts) <3cm (25 pts) | 69.8 | 20.5 | – | 3 |
| Butros SR et al 18 | RFA | 7 | 9 | 1.3–3.3 (2.3) | 100 | 60 | 20 | 0 |
| Takahashi EA et al 23 | RFA 44 MWA 6 |
20 | 50 | 1.8 ± 1.3 | – | – | – | 0 |
| Yu MA et al 27 | MWA | 15 | 24 | 3.2 ± 1.9 | 60 | – | – | 3 |
| Yang GW et al 29 | MWA |
26 | 39 | 3.6 ± 1.1 | 69.2 | – | – | 0 |
| Zhang K et al 26 | MWA | 107 | 171 | >3cm (49 pt) <3cm (58 pts) | 93.5 | 39.6 | 7.9 | 3 |
| Xu C et al 28 | MWA | 56 | 56 | 2.7± 0.5 | 81.2 | 42.5 | 23.7 | 2 |
∗
When median was not available mean or size grouping of >/< 3cm was presented.