Table 2: Characteristics of the Microorganisms

Patient # Total Colony Count (CFU/ml) in Sonication Cultures Microbial Isolates Antibiotic Therapy Outcome
1 1200 S. aureus S. epidermidis (2 different strains) Yes Improvement
2 No Improvement
3 50000 S. paucimobilis No Improvement
4 60000 S. aureus, S. epidermidis, S. warneri Yes Improvement
5 1000 M. fortuitum, Candida parapsilosis Improvement
6 Yes Improvement
7 100000 P. acnes, P. stutzeri No Improvement
8 No NA
9 NA
10 200 S. aureus Yes NA
11 No Improvement
12 100000 E. faecalis, P. prevotii Yes Improvement
13 Yes NA
14 50000 S. epidermidis Yes Improvement
15 100000 P. stuartii, mixed anaerobic microbiota Yes Improvement
16 No Improvement
17 Yes Persistence of infection
18 1000 R. pickettii No Improvement
19 No Improvement
20 75000 S. epidermidis, Micrococcus spp. Yes Improvement
21 100000 Mixed anaerobic microbiota Yes NA
22 No Improvement
23 No Improvement
24 Yes Persistence of pain
25 No Persistence of pain
26 No Improvement
27 11000 Peptostreptococcus spp., P. acnes Yes Improvement
28 200 S. aureus Yes Improvement
29 No NA
30 No Persistence of pain
31 100000 S. milleri, Mixed anaerobic microbiota Yes NA

NA: Data not available.