Cohort | Number of episodes | Episodes with TJR event | Incidence rate a (95% confidence interval) |
---|---|---|---|
“Any pain medication”, with up to 7 years of follow-up b | 1 992 670 | 183 093 | 3.21 (3.20–3.23) |
“Each specific pain medication class” | |||
NSAID c | 1 947 237 | 36 369 | 4.63 (4.58–4.67) |
Opioid c | 2 726 480 | 89 748 | 7.45 (7.40–7.49) |
Intra-articular corticosteroid c | 1 320 838 | 37 980 | 8.05 (7.97–8.13) |