Table 1 Patient clinical characteristics

Age in years (mean ± SD, range)

46.6 ± 15.08 (24–78)

Gender

 Male

15 (37.5%)

 Female

25 (62.5%)

Primary disease

 Prostate

11 (27.5%)

 Breast

23 (57.5%)

 Lung

6 (15%)

Baseline VAS pre-therapy (median, IQR)

9 (8–10)

Baseline KPS pre-therapy (median, IQR)

60 (50–70)

Baseline analgesic score (median)

6 (6–8)

The extent of skeletal metastases

 < 6

2 (5%)

 6–20

17 (42.5%)

 > 20

7 (17.5%)

Diffuse/superscan

14 (35%)

ECOG performance status

 2

12 (30%)

 3

15 (37.5%)

 4

13 (32.5%)

Mean cumulative activity (GBq)

2.1 ± 0.6 GBq (1.3–2.7 GBq)