| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| OUTPAT | OUTPAT_ICD10(M481) | Ankylosing hyperostosis [Forestier] | 343 | |
| PRIM_OUT | PRIM_OUT_NOT_USED_ICD10(M481) | Ankylosing hyperostosis [Forestier]. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! | 137 | |
| INPAT | INPAT_ICD10(M481) | Ankylosing hyperostosis [Forestier] | 118 | |
| INPAT | INPAT_ICD9(7216A) | Ankylosing vertebral hyperostosis | 14 |