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Table 1 Bacteriological characteristics of patients with CoNS spondylodiscitis

From: Characteristics of spontaneous coagulase-negative staphylococcal spondylodiscitis: a retrospective comparative study versus Staphylococcus aureus spondylodiscitis

Cases Microorganism Percutaneous needle biopsy Blood cultures Others Probability
Performed Y/N Positive Y/N Number of media Number of blood cultures positive/ Number performed Number of media
1 S. epidermidis Y Y 1 0/10 0 N probable
2 S. epidermidis Y Y 3 0/20 0 IV device confirmed
3 S.haemolyticus N / / 4/12 6 N confirmed
4 S. epidermidis Y N 0 5/10 9 IV device confirmed
5 S. epidermidis Y Y 2 2/14 2 N confirmed
6 S. epidermidis Y Y 3 0/5 0 N probable
7 S. epidermidis Y Y 3 0/9 0 N probable
8 S.warneri Y Y 1 0/2 0 N probable
9 S. epidermidis Y a Y 3 0/16 0 N confirmed
10 S. epidermidis N / / 6/6 12 N confirmed
11 S. epidermidis Y Y 2 4/14 7 IV device confirmed
12 S. epidermidis Y Y 2 0/5 0 N probable
13 S.hominis Y N 0 1/8 1 N probable
14 S.lugdunensis N / / 0/6 0 3 knee punctures confirmed
15 S.simulans N / / 3/3 3 N confirmed
16 S. epidermidis Y Y 2 0/9 0 N probable
17 S.coagulase negative Y Y 1 1/11 1 N confirmed
18 S. epidermidis Y Y 3 5/5 6 N confirmed
19 S. epidermidis Y Y 1 0/17 0 N probable
20 S. epidermidis N / / 6/8 11 N confirmed
21 S. epidermidis Y Y 1 0/11 0 N probable
22 S. epidermidis Y Y 1 0/6 0 N probable
23 S. epidermidis Y Y 1 1/3 2 N confirmed
24 S. epidermidis N / / 2/10 3 N confirmed
25 S. epidermidis N / / 0/11 0 1 hip puncture probable
26 S.epidermidis Y N 0 3/8 3 N confirmed
  1. Confirmed: CoNS were isolated from at least two different samples taken at different times. Probable: only one sample was positive
  2. aTwo percutaneous needle biopsy performed