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Table 2 Analysis of risk predictors of PAS in a multivariate semiparametric Cox regression model

From: Long -term persistence of antibodies against varicella in fully immunized healthcare workers: an Italian retrospective cohort study

Predictor

aOR

95%CI

p-value

Age at enrollment (years)

0.71

0.60–0.83

< 0.0001

Sex (male vs. female)

1.73

1.04–2.88

0.034

Chronic disease (yes/no)

0.97

0.58–1.62

0.897

Age at the time of the first vaccine dose, basal routine

1.46

1.27–1.67

< 0.0001

  1. Groennesby and Borgan Χ2 = 1.9; p-value = 0.165