Table 3 Characteristics of lesions

Bone marrow edema

200 (60%)

52 (46%)

0.0097

Affected vertebral levels

0.021

 L1

1 (0.30%)

0 (0%)

 L2

5 (1.49%)

0 (0%)

 L3

15 (4.46%)

17 (15%)

 L4

52 (15.48%)

20 (18%)

 L5

263 (78.27%)

77 (68%)

Pathological stage

0.67

 Pre-lysis

47 (14%)

16 (14%)

 Early

101 (30%)

24 (21%)

 Progressive

52 (15%)

12 (11%)

Bone union

145 (73%)

40 (77%)

0.52

(n = 200)

(n = 52)

Treatment period, median (IQR)

96 (66–129)

91.5 (71.5–111)

0.18

(n = 145)

(n = 40)