Correction to: European Radiology
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The original version of this article, published on 7 April 2022, unfortunately contained a mistake. In the column 'p value†' of Table 2, some data was mistakenly repeated. The original article has been corrected.
Table 2
Comparison of tumors without versus with additional ablation after intra-procedural CT for minimal ablative margin assessment
Variables | Tumors without additional ablation (n = 271) (%) | Tumor with additional ablation (n = 63) (%) | p value† |
|---|---|---|---|
Tumor size (mm), mean ± standard deviation | 17.6 ± 8.2 | 22.8 ± 10.3 | < 0.001* |
< 20 mm | 173 (63.8) | 22 (34.9) | < 0.001* |
20–29 mm | 69 (25.5) | 29 (46.0) | |
≥ 30 mm | 29 (10.7) | 12 (19.0) | |
Tumor location | |||
Perivascular | 54 (19.9) | 19 (30.2) | 0.077 |
Subcapsular | 182 (67.2) | 53 (84.1) | 0.008* |
Tumor diagnosis | |||
HCC | 196 (72.3) | 44 (69.8) | 0.693 |
CRLM | 75 (27.7) | 19 (30.2) | |
Intra-procedural pre-post imaging comparison methods | |||
Visual (“cognitive”) registration only | 190 (70.1) | 39 (61.9) | 0.207 |
Software-based registration added | 81 (29.9) | 24 (38.1) | |
Technical outcomes based on immediate post-MWA MRI | |||
Complete ablation coverage of the tumor | 269 (99.3) | 63 (100) | 0.495 |
Sufficient minimal ablative margin | 205 (75.6) | 54 (85.7) | 0.085 |
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