Volume 18, Number 8—August 2012
Vaccination of Health Care Workers to Protect Patients at Increased Risk for Acute Respiratory Disease
|Study||Study design||Method of assessment||Measure of effect in patient population||Effect estimate (95% CI)|
|Oshitani et al. (28)||Prospective cohort||Defined as ILI >10% of total resident population. Mandatory reporting by survey.||OR, unadjusted facilities with >10 staff members vaccinated vs. those with <10 staff members vaccinated||0.30 (0.09–0.69)†|
|Stevenson et al. (37)||Cross-sectional||No definition provided. Reporting by survey.||χ2 test for trend; logistic regression||χ2 p = 0.03; logistic regression p = 0.08|
|Shugarman et al. (35)||Cross-sectional||Defined as >3 residents within a 72-h period with influenza-like symptoms, sudden onset of fever, or “feverishness” and >1 of the following respiratory symptoms; sore throat, runny nose, cough, or nasal congestion. Reporting by survey.||OR, facilities with staff vaccination coverage >55% and patient vaccination coverage >89%, vs. those with lower coverage||0.39 (0.17–0.87)†|
*ILI, influenza-like illness; OR, odds ratio. Boldface indicates statistical significance.
†p value not reported.