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Table 2 Operative characteristics of the two RFA

From: The short-term efficacy of no-touch radiofrequency ablation in treating cirrhosis-based small hepatocellular carcinoma

 

NT-RFA (n = 46)

C- RFA (n = 84)

P value

Duration of ablation, min

8.2 (8.0–8.3)

8.7 (8.2–8.8)

0.044

Length of stay, daya

3.3 (3.0–3.7)

3.5 (3.2–3.7)

0.421

Ablation size, mm

45.5 (41.8–54.0)

41.0 (35.0–49.0)

0.002

RLV, mm3

1345.0 (1268.0–1444.0)

1359.0 (1263.0–1423.0)

0.702

More than one ablation

3 (6.5%)

11 (13.1%)

0.390

Ablation complicationsb

2 (4.8%)

10 (11.9%)

0.269***

 Ascites

2 (4.8%)

6 (7.1%)

 

 Sepsis

0 (0)

2 (2.4%)

 

 Active bleeding

0 (0)

2 (2.4%)

 

Post-TBIlL(2 h), μmol/L

24.2 (20.8–34.4)

26.6 (18.3–35.2)

0.862

Local recurrence

1 (2.2%)

13 (15.5%)

0.042***

Distant recurrence

4 (8.7%)

8 (9.5%)

0.872

  1. aThe time before RFA was not included for comparison
  2. bAccording to the society of interventional radiology classification
  3. ***Fisher’s exact test
  4. RFA radio frequency ablation, RLV remaining liver volume, TBIL total bilirubin
  5. Ablation size was evaluated by ultrasonography after RFA
  6. RLV=SLV-ablation volume, ablation volume was calculated based on the formula of sphere volume