Table 1.
Baseline characteristics of the study population (n = 61)
Characteristic |
All patients |
||
---|---|---|---|
n* | %* | ||
Males |
37 |
61 |
|
Median age, IQR |
65 |
51–76 |
|
Median BMI, IQR |
25 |
21–28 |
|
Arterial hypertension |
24 |
39 |
|
Diabetes mellitus |
7 |
11 |
|
Coronary heart disease |
15 |
25 |
|
Renal impairment (clearance <80 ml/min.) |
5 |
8 |
|
Fever (>38°C) |
17 |
28 |
|
Back pain |
57 |
93 |
|
Neurologic al deficits |
10 |
16 |
|
Epidural abscess |
31 |
51 |
|
Median leucocytes count, IQR (109/l) |
10.1 |
8.0–12.5 |
|
Median C-reactive protein (mg/l) |
100 |
62–186 |
|
Microorganism |
Staphylococcus aureus |
11 |
21 |
|
Coagulase negative staphylococci |
9 |
17 |
|
Streptococci spp. |
12 |
20 |
|
Escherichia coli |
6 |
11 |
|
Klebsiella spp. |
2 |
4 |
|
Pseudomonas aeruginosa |
7 |
13 |
|
Propionibacterium acnes |
3 |
6 |
Other or unknown | 11 | 21 |
*unless otherwise stated.