Table 1.

Incidence rates and hazard ratios (HR) for the associations between RA and death according to cohort period

RA StatusNDeathsFollow-up timeMean follow-upIncidence rateAge, sex and entry-time matched HR+ GPs visits, BMI, smoking, alcohol and
(PY)(years)(cases per 1000 PY)(95%CI)Charlson Index adjusted HR (95%CI)
1999–2005Yes610940016841.72.823.75 (21.48–26.20)1.60 (1.41–1.81)1.51 (1.33–1.72)
No26379104574291.42.814.07 (13.23–14.95)1.001.00
2006–2012Yes781235122311.52.915.73 (14.13–17.47)1.38 (1.22–1.58)1.21 (1.05–1.39)
No32180102692572.72.911.08 (10.42–11.78)1.001.00
Female
 1999–2005Yes439424612085.32.820.36 (17.89–23.06)1.62 (1.39–1.90)1.59 (1.35–1.87)
No1892563253200.92.811.88 (10.97–12.84)1.001.00
 2006–2012Yes533821315632.72.913.63 (11.86–15.58)1.38 (1.17–1.63)1.25 (1.05–1.50)
No2193160464597.82.99.35 (8.62–10.13)1.001.00
Male
 1999–2005Yes17151544756.42.832.38 (27.47–37.91)1.56 (1.28–1.90)1.37 (1.12–1.68)
No745441321090.62.819.58 (17.74–21.56)1.001.00
 2006–2012Yes24741386678.92.720.66 (17.36–24.41)1.39 (1.13–1.70)1.15 (0.93–1.43)
No1024942227974.92.715.08 (13.68–16.60)1.001.00
  • PY = person-years.