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. Author manuscript; available in PMC: 2023 Aug 16.
Published in final edited form as: Vaccine. 2021 May 4;39(23):3179–3188. doi: 10.1016/j.vaccine.2021.04.031

Table 5.

Vaccine Efficacy Against S. aureus Colonization Detected by Positive Nasal, Oral, and Nasal/Oral Culture by 56 Days Post Vaccination – Baseline S. aureus Nasal/Oral Colonization Negative Subjects

Endpoint at 56 days post-vaccination Vaccine Efficacya (95% CI) p-valueb
Positive nasal culture 12.1% (−31.6%, 41.3%) 0.31
Positive oral culture 2.4% (−50.9%, 36.9%) 0.52
Positive nasal/oral culture 6.2% (−37.6%, 36.1%) 0.43

CI: confidence interval

a

Vaccine efficacy calculated using unadjusted relative risk ratio (VE: 1 – Relative Risk)

b

p value from Fisher’s exact 1-tailed test