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Table 3 Changes in pain score, analgesic intake, and response

From: Feasibility of volumetric MRI-guided high intensity focused ultrasound (MR-HIFU) for painful bone metastases

Treatment

Pain scores (NRS)

Analgesic intakec

Responsed

 

Baseline

Day 3

1 Month

  

1a

7

4

4

Stable

PR

1ba

7

7

7

Stable

NR

2

8

8

7

Stable

NR

3

8

9

2

Stable

PR

4

6

6

7

Stable

NR

5a

8

8

4

Reduction

PR

6

9

4

0

Increase

PR

7

4

2

5

Stable

NR

5ba

10

8

5

Reduction

PR

8

9

7

0

Stable

CR

9

6

6

1

Reduction

PR

10b

9

4

-

-

-

11b

7

7

-

-

-

  1. Abbreviations: NRS numeric rating scale.
  2. aSecond treatment in the same patient was not included in the response analysis.
  3. bNo follow-up data available at 30 days after treatment, only included in response analysis at 3 days.
  4. cAt 1 month after treatment compared to baseline; reduction is defined as ≥25% decrease in daily oral morphine equivalent (OMED), increase is defined as ≥25% increase in OMED, and stable is defined as neither increase nor decrease[33, 34].
  5. dResponse at 1 month as defined by the updated International Bone Metastases Consensus Working Party[33, 34]. Partial response (PR): pain reduction of ≥2 or more at the treated site on a 0 to 10 scale without analgesic increase or analgesic reduction without increase in pain. Complete response (CR): pain score of 0 at the treated site with no concomitant increase in analgesics. No response (NR): no partial or complete response.