Table 4.
Comparison by Cohort and Capsular Contracture Category for Presence of Bacteria
| Cohort | Presence of bacteria | Grade III or IV capsular contracture | P-valuea | |
|---|---|---|---|---|
| Yes (n = 7) | No (n = 43) | |||
| Cohort A | Any bacterial growth? | 3 (42.9) | 21 (48.8) | 1.0000 |
| Staphylococcus hominus | 0 | 1 (2.3) | 1.0000 | |
| Corynebacterium tuberculosteratum | 1 (14.3) | 3 (7.0) | 0.4641 | |
| Aerococcus | 0 | 0 | — | |
| Staphylococcus epidermidis | 1 (14.3) | 8 (18.6) | 1.0000 | |
| Cutibacterium acnes | 3 (42.9) | 19 (44.2) | 1.0000 | |
| Enterobacter | 0 | 1 (2.3) | 1.0000 | |
| Lactobacillus | 0 | 0 | — | |
| Oryzomicrobium | 0 | 1 (2.3) | 1.0000 | |
| Phylobacter | 0 | 0 | — | |
| Pseudomonas | 0 | 0 | — | |
| Agrobacterium | 0 | 0 | — | |
| Azoperillus | 0 | 0 | — | |
| Haemophilus influenza | 0 | 0 | — | |
| Staphylococcus pastueri | 0 | 1 (2.3) | 1.0000 | |
| Massilia | 0 | 0 | — | |
| Mycobacterium marinum | 0 | 0 | — | |
| Escherichia coli | 0 | 2 (4.7) | 1.0000 | |
| Sneathia | 0 | 0 | — | |
| Serratia marcessens | 0 | 0 | — | |
| Staphylococcus lundungensis | 0 | 1 (2.3) | 1.0000 | |
| Staphylococcus saccrolyticus | 1 (14.3) | 2 (4.7) | 0.3704 | |
| Streptococcus mitis | 0 | 1 (2.3) | 1.0000 | |
| Acinobacter | 0 | 3 (7.0) | 1.0000 | |
| Bacillus | 0 | 1 (2.3) | 1.0000 | |
| Gordonia otitis | 0 | 1 (2.3) | 1.0000 | |
| Klebsiella | 0 | 2 (4.7) | 1.0000 | |
| Burkholdia | 0 | 3 (7.0) | 1.0000 | |
| Staphylococcus capitus | 0 | 1 (2.3) | 1.0000 | |
| Cohort B | Any bacterial growth? | 9 (75.0) | 14 (36.8) | 0.0435 |
| Staphylococcus hominus | 1 (8.3) | 2 (5.3) | 1.0000 | |
| Corynebacterium tuberculosteratum | 2 (16.7) | 3 (7.9) | 0.5819 | |
| Aerococcus | 0 | 2 (5.3) | 1.0000 | |
| Staphylococcus epidermidis | 6 (50.0) | 3 (7.9) | 0.0033 | |
| Cutibacterium acnes | 5 (41.7) | 11 (28.9) | 0.4859 | |
| Enterobacter | 2 (16.7) | 4 (10.5) | 0.6210 | |
| Lactobacillus | 1 (8.3) | 2 (5.3) | 1.0000 | |
| Oryzomicrobium | 1 (8.3) | 0 | 0.2400 | |
| Phylobacter | 1 (8.3) | 0 | 0.2400 | |
| Pseudomonas | 1 (8.3) | 1 (2.6) | 0.4261 | |
| Agrobacterium | 0 | 1 (2.6) | 1.0000 | |
| Azoperillus | 0 | 1 (2.6) | 1.0000 | |
| Haemophilus influenza | 1 (8.3) | 0 | 0.2400 | |
| Staphylococcus pastueri | 0 | 1 (2.6) | 1.0000 | |
| Massilia | 1 (8.3) | 0 | 0.2400 | |
| Mycobacterium marinum | 1 (8.3) | 0 | 0.2400 | |
| Escherichia coli | 0 | 2 (5.3) | 1.0000 | |
| Sneathia | 0 | 1 (2.6) | 1.0000 | |
| Serratia marcessens | 0 | 1 (2.6) | 1.0000 | |
| Staphylococcus lundungensis | 0 | 0 | — | |
| Staphylococcus saccrolyticus | 0 | 0 | — | |
| Streptococcus mitis | 0 | 0 | — | |
| Acinobacter | 1 (8.3) | 0 | 0.2400 | |
| Bacillus | 0 | 0 | — | |
| Gordonia otitis | 0 | 0 | — | |
| Klebsiella | 0 | 0 | — | |
| Burkholdia | 0 | 0 | — | |
| Staphylococcus capitus | 0 | 0 | — | |
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.