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Symptoms of S. aureus acute otitis externa infections. *P < 0.05; **Significantly different from MRSA.
| Group | n | Otorrhea cases (%) | Otalgia cases (%) | Swelling* cases (%) | Hearing loss cases (%) |
|---|---|---|---|---|---|
| MRSA | 15 | 9 (60.0) | 9 (60.0) | 5 (33.3) | 4 (26.7) |
| MSSA | 38 | 23 (60.5) | 19 (50.0) | 2 (5.3)**(P < 0.01) | 5 (13.2) |
| P. aeruginosa | 73 | 47 (64.3) | 61 (83.6%)** (P = 0.04) | 14 (19.2) | 23 (31.5) |
