Table 2 Relationships between the occurrence of pain flare and baseline variables (n = 135)

Sex

Male

55 (61.1 %)

35 (38.9 %)

p = 0.706

Female

29 (64.4 %)

16 (35.6 %)

Cancer Site

Lung

23 (54.8 %)

19 (45.2 %)

p = 0.358

Prostate

16 (59.3 %)

11 (40.7 %)

Breast

15 (78.9 %)

4 (21.1 %)

Others

30 (63.8 %)

17 (36.2 %)

Bisphosphonates

YES

23 (63.9 %)

13 (36.1 %)

p = 0.810

NO

61 (61.6 %)

38 (38.4 %)

RT Dose

8 Gy/ 1 fx

28 (66.7 %)

14 (33.3 %)

p = 0.091

20 Gy / 5 fx

47 (56.6 %)

36 (43.4 %)

Other

9 (90.0 %)

1 (10.0 %)

Dexamethasone during RT

YES

25 (56.1 %)

18 (43.9 %)

p = 0.379

NO

59 (64.1 %)

33 (35.9 %)