Table 3 Vaccine effectiveness against COVID-19-related hospitalization among children 6–11 years old at different period intervals.

From: Effectiveness of COVID-19 vaccines among children 6–11 years against hospitalization during Omicron predominance in Malaysia

 

Adjusted H.R.

95% CI

p-value

Vaccination status*

 Unvaccinated

Ref

Ref

Ref

 Completed primary series (< 90 days)

0.55

0.45, 0.67

 < 0.01

 Completed primary series (90–180 days)

0.53

0.44, 0.66

 < 0.01

 Completed primary series (180–350 days)

0.64

0.55, 0.78

 < 0.01

  1. H.R. hazard ratio, CI confidence interval, Ref reference category.
  2. *Models were adjusted for age, sex, recent infection within 6 month and stratified by region.
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