Table 2

Incidence rate* of herpes zoster and herpes simplex associated with each biologic and tofacitinib

EventPerson-yearsIncidence rateAdjusted† HR (95% CI)
Abatacept4838790.25.49 (5.03–6.01)1.0 (referent)
Adalimumab3306832.84.83 (4.34–5.38)0.89 (0.77–1.03)
Certolizumab1612940.75.47 (4.69–6.39)1.00 (0.83–1.19)
Etanercept3356995.84.79 (4.30–5.33)0.86 (0.74–1.00)
Golimumab891670.85.33 (4.33–6.56)1.01 (0.80–1.27)
Infliximab4928201.46.00 (5.49–6.55)1.06 (0.93–1.21)
Rituximab2204044.25.44 (4.77–6.21)0.98 (0.83–1.15)
Tocilizumab2784538.36.13 (5.45–6.89)1.15 (0.99–1.34)
Tofacitinib74972.97.61 (6.06–9.55)1.40 (1.09–1.81)
  • *Per 100 person-years.

  • †Adjusted for age, sex, baseline glucocorticoid use, methotrexate, number of biologics used, hospitalisation, hospitalised infection, outpatient infection and zoster vaccination.