|
Age, mean ± S.D (years)
|
65.9 (±14.4)
|
59.2 (±20.0)
|
0.017
|
|
Sex (male, %)
|
32 (45.1 %)
|
37 (39.4 %)
|
0.462
|
|
Underlying disease
|
|
Hypertension
|
34 (47.9 %)
|
24 (25.5 %)
|
0.003
|
|
Diabetes mellitus
|
17 (23.9 %)
|
16 (17.0 %)
|
0.271
|
|
Chronic kidney disease
|
4 (5.6 %)
|
3 (3.2 %)
|
0.465‡
|
|
Congestive heart failure
|
0
|
2 (2.1 %)
|
0.507‡
|
|
Liver cirrhosis
|
6 (8.5 %)
|
1 (1.1 %)
|
0.043‡
|
|
Solid tumor
|
7 (9.9 %)
|
2 (2.1 %)
|
0.040‡
|
|
Hematologic malignancy
|
1 (1.4 %)
|
0
|
0.430‡
|
|
Concomitant corticosteroid use
|
2 (2.8 %)
|
1 (1.1 %)
|
0.578
|
|
Epidural procedure within 1 year
|
19 (26.8 %)
|
9 (9.6 %)
|
0.004
|
|
Foreign body in affected vertebrae a
|
8 (11.3 %)
|
3 (3.2 %)
|
0.057‡
|
|
Vertebroplasty cement in affected vertebrae
|
7 (9.9 %)
|
13 (13.8 %)
|
0.439
|
|
Previous bacteremia within 3 months
|
3 (4.2 %)
|
0
|
0.078‡
|
|
History of tuberculosis
|
7 (9.9 %)
|
21 (22.3 %)
|
0.034
|
|
Concurrent pulmonary tuberculosis
|
0
|
30 (31.9 %)
|
<0.001
|
|
Concurrent extrapulmonary tuberculosis†
|
0
|
15 (16.0 %)
|
<0.001
|
