Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 3 Overview of detected microorganisms in the three study groups
Study group | Culture results | TC | SF broth culture | MF | |||
|---|---|---|---|---|---|---|---|
N | % | N | % | N | % | ||
Septic nonunion (N = 42) | Negative | 13 | 31 | 13 | 31 | 20 | 48 |
1 species/sample | 26 | 90 | 26 | 90 | 11 | 50 | |
2 species/sample | 3 | 10 | 3 | 10 | 7 | 32 | |
3 species/sample | – | – | – | – | 4 | 18 | |
Cutibacterium acnes | 10 | 31 | 3 | 9 | 6 | 16 | |
CoNS | 16 | 50 | 24 | 75 | 25 | 68 | |
Staphylococcus aureus | 4 | 13 | 1 | 3 | 1 | 3 | |
Finegoldia magna | 1 | 3 | 2 | 6 | 1 | 3 | |
Serratia marcescens | 1 | 3 | 1 | 3 | 1 | 3 | |
Enterococcus faecalis | – | – | 1 | 3 | 1 | 3 | |
Corynebacterium spp. | – | – | – | – | 2 | 5 | |
Aseptic nonunion (N = 53) | Negative | 51 | 96 | 43 | 81 | 49 | 93 |
1 species/sample | 2 | 100 | 10 | 100 | – | – | |
2 species/sample | – | – | – | – | 3 | 75 | |
3 species/sample | – | – | – | – | 1 | 25 | |
Cutibacterium acnes | – | – | 4 | 40 | 3 | 33 | |
CoNS | 1 | 50 | 5 | 50 | 5 | 56 | |
Kocuria varians | 1 | 50 | – | – | – | – | |
Brevibacillus choshinensis | – | – | 1 | 10 | – | – | |
Corynebacterium spp. | – | – | – | – | 1 | 11 | |
Regular healers (N = 32) | Negative | 29 | 91 | 23 | 72 | 29 | 91 |
1 species/sample | 2 | 67 | 8 | 89 | 2 | 67 | |
2 species/sample | 1 | 33 | 1 | 11 | 1 | 33 | |
Cutibacterium acnes | 2 | 50 | 1 | 10 | 2 | 50 | |
CoNS | 1 | 25 | 5 | 50 | 1 | 25 | |
Corynebacterium spp. | 1 | 25 | 1 | 10 | – | – | |
Bacillus spp. | – | – | 3 | 30 | 1 | 25 | |