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. 2014 Apr 27;14:226. doi: 10.1186/1471-2334-14-226

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.

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