Table 2

TB cases in CZP-treated patients with RA in the pooled RA safety database (N=4049) by region and country (risk vs incidence)

Baseline PPD status (n)Incidence of TB within CZP treatment groups
Geographic regionTB incidence rate in general population (per 105)*Patients (n)<5 mm≥5 mmmissing/ unknownIR/100 PY (95% CI)Number of events (in patients with PPD<5 mm)INH-treated, no active TB (no TB/INH treated)
Overall404932783704010.47 (0.34 to 0.64)44 (32)385/387
Western Europe†7.9800464422940.23 (0.05 to 0.68)3 (2)19/19
 Austria6.9125401840 (−)0/0
 Belgium8.51918100 (−)0/0
 Finland4.988000 (−)0/0
 France7.769242430 (−)0/0
 Germany4.935129419380.34 (0.04 to 1.22)2 (2)6/6
 Ireland7.584400 (−)2/2
 Italy5.82018200 (−)2/2
 The Netherlands5.544000 (−)0/0
 Spain12.03226510 (−)5/5
 Sweden6.33200320 (−)0/0
 UK14.0132288960.35 (0.01 to 1.94)1 (0)4/4
Central Europe25.181063317700.58 (0.34 to 0.92)18 (13)150/151
 Bulgaria28.05245700.50 (0.01 to 2.79)1 (1)0/0
 Czech Republic4.73142209400.36 (0.12 to 0.84)5 (2)76/77
 Estonia20.02518702.10 (0.25 to 7.59)2 (1)6/6
 Hungary16.072531900 (−)10/10
 Latvia49.04444002.24 (0.46 to 6.54)3 (3) 0/0
 Lithuania58.09283901.30 (0.42 to 3.04)5 (5)7/7
 Poland19.01321181400.55 (0.07 to 2.00)2 (1)20/20
 Slovakia5.979522700 (−)31/31
Eastern Europe46.85034139001.02 (0.63 to 1.56)21 (16)135/135
 Croatia13.01411301.94 (0.05 to 10.82)1 (0)2/2
 Russia77.02261715501.00 (0.48 to 1.83)10 (7)79/79
 Serbia20.0104921200.99 (0.27 to 2.54)4 (4)10/10
 Ukraine77.01591392001.00 (0.37 to 2.17)6 (5)44/44
North America‡3.61673155245760.05 (0.00 to 0.30)1 (0)55/56
 Canada4.01571119370 (−)10/10
 USA3.21516144136390.06 (0.00 to 0.33)1 (0)45/46
Rest of the World§16.726321616310.11 (0.00 to 0.60)1 (1)26/26
 Argentina21.0132131100.19 (0.00 to 1.06)1 (1)10/10
 Australia5.743142270 (−)2/2
 Chile14.01212000 (−)2/2
 Israel6.74537800 (−)6/6
 Mexico19.075200 (−)4/4
 New Zealand6.62017300 (−)2/2
 Singapore44.040040 (−)0/0
  • *Based on UN statistics for the lower bound of incidence in 2012 per 100 000 population in individual countries within each geographic region.28

  • †PPD test results missing for 294 patients, including the patient in the UK who developed TB.

  • ‡PPD test results missing for 76 patients, including the patient who developed TB.

  • §PPD test results missing for 31 patients.

  • CZP, certolizumab pegol; INH, isoniazid; IR, incidence rates; PPD, purified protein derivative; PY, patient-years; RA, rheumatoid arthritis; TB, tuberculosis.