Table 2

Crude incidence rates of fractures by medications in patients with rheumatoid arthritis

No. with fracture/No. exposedPatient-yearsIncidence rates (95% CI)*
All patients914/11 41255 48216.5 (15.4 to 17.6)
DMARD groups
 Methotrexate monotherapy169/3213911518.5 (15.9 to 21.6)
 TNFi280/515018 56115.1 (13.4 to 17.0)
 Non-TNFi bDMARDs63/1420321619.6 (15.3 to 25.1)
 Other DMARDS402/712924 59116.3 (14.8 to 18.0)
Glucocorticoid use
 None547/898940 28213.6 (12.5 to 14.8)
 <7.5 mg/day for <3 months10/83469314.4 (7.8 to 26.8)
 <7.5 mg/day for ≥3 months220/338710 14921.7 (19.0 to 24.7)
 ≥7.5 mg/day for <3 months15/80966022.7 (13.7 to 37.7)
 ≥7.5 mg/day for ≥3 months121/1948361633.5 (28.0 to 40.0)
Statins259/418715 41216.8 (14.9 to 19.0)
Antidepressants236/3110953625.1 (22.1 to 28.5)
 SSRIs185/2369697126.5 (23.0 to 30.6)
 Others84/1339366322.9 (18.5 to 28.4)
PPIs341/496316 82020.3 (18.2 to 22.5)
Opioids388/508214 10027.5 (24.9 to 30.4)
 Weak opioids320/456612 24426.1 (23.4 to 29.2)
 Strong opioids116/1483288540.3 (33.5 to 48.2)
NSAIDs412/770526 00615.8 (14.4 to 17.4)
 COX-2 inhibitors118/2945736616.0 (13.8 to 19.2)
 Non-selective NSAIDs300/606518 97015.8 (14.1 to 17.7)
Anticonvulsants122/2072523823.3 (19.5 to 27.8)
Antipsychotics35/643136425.7 (18.4 to 35.7)
Benzodiazepines75/1223293025.6 (20.4 to 32.1)
  • *Per 1000 patient-years.

  • COX-2, cyclo-oxygenase-2; DMARD, disease-modifying antirheumatic drugs;NSAIDs, non-steroidal anti-inflammatory drugs;PPIs, proton pump inhibitors;SSRIs, selective serotonin reuptake inhibitors;TNFi, tumour necrosis factor-α inhibitor;bDMARDs, biological disease modifying antirheumatic drugs.