Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(M45) Ankylosing spondylitis 3580
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M45) Ankylosing spondylitis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 2754
OUTPAT OUTPAT_ICD10(M461) Sacroiliitis, not elsewhere classified 2046
OUTPAT OUTPAT_ICD10(M469) Inflammatory spondylopathy, unspecified 1828
INPAT INPAT_ICD10(M45) Ankylosing spondylitis 1763
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M461) Sacroiliitis, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1046
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M469) Inflammatory spondylopathy, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 683
INPAT INPAT_ICD8(71310) Osteo-arthritis and allied conditions, Spondylarthritis cervicalis 646
INPAT INPAT_ICD8(71312) Osteo-arthritis and allied conditions, Spondylarthritis lumbalis sive lumbosacralis 634
INPAT INPAT_ICD10(M464) Discitis, unspecified 518
INPAT INPAT_ICD9(7200A) Ankylosing spondylitis 506
OUTPAT OUTPAT_ICD10(M464) Discitis, unspecified 496
INPAT INPAT_ICD8(71240) Rheumatoid arthritis and allied conditions, Spondylitis ankylopoietica 435
INPAT INPAT_ICD10(M463) Infection of intervertebral disc (pyogenic) 423
INPAT INPAT_ICD10(M469) Inflammatory spondylopathy, unspecified 422
OUTPAT OUTPAT_ICD10(M463) Infection of intervertebral disc (pyogenic) 372
INPAT INPAT_ICD10(M461) Sacroiliitis, not elsewhere classified 279
OUTPAT OUTPAT_ICD10(M468) Other specified inflammatory spondylopathies 227
OUTPAT OUTPAT_ICD10(M460) Spinal enthesopathy 194
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M464) Discitis, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 141
OUTPAT OUTPAT_ICD10(M462) Osteomyelitis of vertebra 106
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M463) Infection of intervertebral disc (pyogenic). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 99
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M468) Other specified inflammatory spondylopathies. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 96
INPAT INPAT_ICD8(71319) Osteo-arthritis and allied conditions, Spondylarthritis NUD 81
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M460) Spinal enthesopathy. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 81
OUTPAT OUTPAT_ICD10(M465) Other infective spondylopathies 68
INPAT INPAT_ICD10(M462) Osteomyelitis of vertebra 62
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M46) Other inflammatory spondylopathies. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 61
INPAT INPAT_ICD8(71311) Osteo-arthritis and allied conditions, Spondylarthritis thoracica 54
INPAT INPAT_ICD8(72699) Affection of sacro-iliac joint 53
INPAT INPAT_ICD9(7209X) Unspecified inflammatory spondylopathy 53
INPAT INPAT_ICD9(7202A) Sacroiliitis, not elsewhere classified 46
INPAT INPAT_ICD10(M465) Other infective spondylopathies 38
INPAT INPAT_ICD10(M460) Spinal enthesopathy 37
INPAT INPAT_ICD10(M468) Other specified inflammatory spondylopathies 36
INPAT INPAT_ICD9(7208A) Other inflammatory spondylopathies 30
DEATH DEATH_ICD10(M45) Ankylosing spondylitis 23
OUTPAT OUTPAT_ICD10(M46) Other inflammatory spondylopathies 14
DEATH DEATH_ICD10(M464) Discitis, unspecified 13
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M462) Osteomyelitis of vertebra. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 13
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M465) Other infective spondylopathies. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 10
DEATH DEATH_ICD10(M463) Infection of intervertebral disc (pyogenic) 7
INPAT INPAT_ICD8(71313) Name not found 6