Table 2.
Bacteria Identified at Baseline: Cohort A vs Cohort B
| Presence of bacteria | Cohort A (n = 50) | Cohort B (n = 50) | P-valuea |
|---|---|---|---|
| Any bacterial growth? | 24 (48.0) | 23 (46.0) | 1.0000 |
| Staphylococcus hominus | 1 (2.0) | 3 (6.0) | 0.6173 |
| Corynebacterium tuberculosteratum | 4 (8.0) | 5 (10.0) | 1.0000 |
| Aerococcus | 0 | 2 (4.0) | 0.4949 |
| Staphylococcus epidermidis | 9 (18.0) | 9 (18.0) | 1.0000 |
| Cutibacterium acnes | 22 (44.0) | 16 (32.0) | 0.3030 |
| Enterobacter | 1 (2.0) | 6 (12.0) | 0.1117 |
| Lactobacillus | 0 | 3 (6.0) | 0.2424 |
| Oryzomicrobium | 1 (2.0) | 1 (2.0) | 1.0000 |
| Phylobacter | 0 | 1 (2.0) | 1.0000 |
| Pseudomonas | 0 | 2 (4.0) | 0.4949 |
| Agrobacterium | 0 | 1 (2.0) | 1.0000 |
| Azoperillus | 0 | 1 (2.0) | 1.0000 |
| Haemophilus influenza | 0 | 1 (2.0) | 1.0000 |
| Staphylococcus pastueri | 1 (2.0) | 1 (2.0) | 1.0000 |
| Massilia | 0 | 1 (2.0) | 1.0000 |
| Mycobacterium marinum | 0 | 1 (2.0) | 1.0000 |
| Escherichia coli | 2 (4.0) | 2 (4.0) | 1.0000 |
| Sneathia | 0 | 1 (2.0) | 1.0000 |
| Serratia marcescens | 0 | 1 (2.0) | 1.0000 |
| Staphylococcus lundungensis | 1 (2.0) | 0 | 1.0000 |
| Staphylococcus saccrolyticus | 3 (6.0) | 0 | 0.2424 |
| Streptococcus mitis | 1 (2.0) | 0 | 1.0000 |
| Acinobacter | 3 (6.0) | 1 (2.0) | 0.6173 |
| Bacillus | 1 (2.0) | 0 | 1.0000 |
| Gordonia otitis | 1 (2.0) | 0 | 1.0000 |
| Klebsiella | 2 (4.0) | 0 | 0.4949 |
| Burkholdia | 3 (6.0) | 0 | 0.2424 |
| Staphylococcus capitus | 1 (2.0) | 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.