Table 6.
Comparison by Cohort and Implant Fill for Presence of Bacteria—Next-Generation Sequencing
| Cohort | Presence of bacteria | Implant fill | P-valuea | |
|---|---|---|---|---|
| Gel (n = 16) | Saline (n = 34) | |||
| Cohort A | Any bacterial growth? | 9 (56.3) | 15 (44.1) | 0.5470 |
| Staphylococcus hominus | 0 | 1 (2.9) | 1.0000 | |
| Corynebacterium tuberculosteratum | 1 (6.3) | 3 (8.8) | 1.0000 | |
| Aerococcus | 0 | 0 | — | |
| Staphylococcus epidermidis | 7 (43.8) | 2 (5.9) | 0.0027 | |
| Cutibacterium acnes | 9 (56.3) | 13 (38.2) | 0.3600 | |
| Enterobacter | 1 (6.3) | 0 | 0.3200 | |
| Lactobacillus | 0 | 0 | — | |
| Oryzomicrobium | 0 | 1 (2.9) | 1.0000 | |
| Phylobacter | 0 | 0 | — | |
| Pseudomonas | 0 | 0 | — | |
| Agrobacterium | 0 | 0 | — | |
| Azoperillus | 0 | 0 | — | |
| Haemophilus influenza | 0 | 0 | — | |
| Staphylococcus pastueri | 0 | 1 (2.9) | 1.0000 | |
| Massilia | 0 | 0 | — | |
| Mycobacterium marinum | 0 | 0 | — | |
| Escherichia coli | 1 (6.3) | 1 (2.9) | 0.5420 | |
| Sneathia | 0 | 0 | — | |
| Serratia marcessens | 0 | 0 | — | |
| Staph lundungensis | 0 | 1 (2.9) | 1.0000 | |
| Staphylococcus saccrolyticus | 0 | 3 (8.8) | 0.5420 | |
| Streptococcus mitis | 1 (6.3) | 0 | 0.3200 | |
| Acinobacter | 1 (6.3) | 2 (5.9) | 1.0000 | |
| Bacillus | 0 | 1 (2.9) | 1.0000 | |
| Gordonia otitis | 1 (6.3) | 0 | 0.3200 | |
| Klebsiella | 1 (6.3) | 1 (2.9) | 0.5420 | |
| Burkholdia | 2 (12.5) | 1 (2.9) | 0.2367 | |
| Staphylococcus capitus | 1 (6.3) | 0 | 0.3200 | |
| Cohort B | Any bacterial growth? | 18 (46.2) | 5 (45.5) | 1.0000 |
| Staphylococcus hominus | 2 (5.1) | 1 (9.1) | 0.5337 | |
| Corynebacterium tuberculosteratum | 4 (10.3) | 1 (9.1) | 1.0000 | |
| Aerococcus | 1 (2.6) | 1 (9.1) | 0.3951 | |
| Staphylococcus epidermidis | 7 (17.9) | 2 (18.2) | 1.0000 | |
| Cutibacterium acnes | 11 (28.2) | 5 (45.5) | 0.2972 | |
| Enterobacter | 4 (10.3) | 2 (18.2) | 0.6014 | |
| Lactobacillus | 3 (7.7) | 0 | 1.0000 | |
| Oryzomicrobium | 1 (2.6) | 0 | 1.0000 | |
| Phylobacter | 1 (2.6) | 0 | 1.0000 | |
| Pseudomonas | 2 (5.1) | 0 | 1.0000 | |
| Agrobacterium | 1 (2.6) | 0 | 1.0000 | |
| Azoperillus | 1 (2.6) | 0 | 1.0000 | |
| Haemophilus influenza | 1 (2.6) | 0 | 1.0000 | |
| Staphylococcus pastueri | 1 (2.6) | 0 | 1.0000 | |
| Massilia | 1 (2.6) | 0 | 1.0000 | |
| Mycobacterium marinum | 1 (2.6) | 0 | 1.0000 | |
| Escherichia coli | 1 (2.6) | 1 (9.1) | 0.3951 | |
| Sneathia | 1 (2.6) | 0 | 1.0000 | |
| Serratia marcessens | 1 (2.6) | 0 | 1.0000 | |
Values are n (%). aP-value from Fisher’s exact test, testing the null hypothesis that the true percentages of patients with bacterial growth are equal for the 2 groups vs the alternative hypothesis that these percentages are not equal.