Table 2 Liver metastases’ characteristic

Previous lines of liver metastases therapy

NA

 Nil

4

16

16

 1

3

0

0

 2

1

0

0

Time from initial diagnosis to HIFU (month), (range)

0–7

–

–

Time between last liver-directed therapy and HIFU (month), (range)

0–5

–

–

Number

 > 0.1

 1

5

8

8

 2

1

4

3

 3

2

4

5

Maximum size (cm), Median (range)

2.0 (1.2–8.8)

3.8 (1.0–8.0)

3.0 (1.0–7.0)

Location (liver segment)

NA

 I

0

2

1

 II

1

1

3

 III

1

1

2

 IV

1

5

1

 V

1

3

4

 VI

4

7

6

 VII

1

1

3

 VIII

2

2

4

Systematic treatment after HIFU

 No

1

–

–

 Yes

7

–

–

Input energy of HIFU (kJ), Median(IQR)

625 (353–848)

–

–

Input power of HIFU (W), Median(IQR)

340 (297–360)

–

–

Cumulative transmit time of HIFU (s), Median(IQR)

1890 (1230–2219)

–

–