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Table 2 Risk of herpes zoster on rheumatoid arthritis patients during first bDMARD or tsDMARD use

From: Incident and recurrent herpes zoster for first-line bDMARD and tsDMARD users in seropositive rheumatoid arthritis patients: a nationwide cohort study

 

Events

Person-years

Incidence

Time-to-eventa

aHR (95% CI)

P value

aHR (95% CI)

P value

Etanercept (n=2638)

460 (17.2)

10,593

43.4

2.5 (1.0–4.2)

Reference

 

1.19 (0.94–1.51)

0.146

Infliximab (n=1288)

238 (18.1)

4474

53.2

2.1 (0.9–3.7)

1.14 (0.95–1.36)

0.156

1.36 (1.06–1.74)

0.017

Adalimumab (n=3176)

526 (16.3)

11,749

44.8

2.1 (0.9–3.7)

1.09 (0.94–1.25)

0.273

1.29 (1.02–1.64)

0.032

Golimumab (n=1189)

130 (10.9)

2234

58.2

1.6 (0.8–2.8)

0.89 (0.69–1.14)

0.358

1.06 (0.79–1.42)

0.692

Tocilizumab (n=1359)

134 (9.7)

2619

51.2

1.2 (0.5–2.1)

0.74 (0.58–0.94)

0.013

0.88 (0.67–1.16)

0.369

Rituximab (n=65)

17 (25.4)

328

51.8

2.6 (1.5–5.0)

1.01 (0.52–1.97)

0.970

1.21 (0.60–2.41)

0.593

Tofacitinib (n=687)

48 (6.8)

478

100.4

0.5 (0.2–0.9)

2.06 (1.38–3.08)

<0.001

2.46 (1.61–3.76)

<0.001

Abatacept (n=1134)

133 (11.5)

2227

59.7

1.5 (0.6–2.6)

0.84 (0.66–1.06)

0.146

Reference

 
  1. Adjusted hazard ratios calculated by multivariate Cox proportional hazards regression after adjustments for age, sex, number of csDMARD, the Charlson comorbidity index, enrollment year, steroids use, and history of zoster
  2. Incidence calculated as the number of events per 1000 person-years
  3. aYears to herpes zoster among participants with event, median (interquartile range)
  4. bDMARD biological disease-modifying anti-rheumatic drugs, tsDMARD targeted synthetic disease-modifying anti-rheumatic drugs, aHR adjusted hazard ratio, CI confidence interval, csDMARD conventional synthetic disease-modifying antirheumatic drugs