Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(M45) Ankylosing spondylitis 3177
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M45) Ankylosing spondylitis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 2061
OUTPAT OUTPAT_ICD10(M461) Sacroiliitis, not elsewhere classified 1713
OUTPAT OUTPAT_ICD10(M469) Inflammatory spondylopathy, unspecified 1569
INPAT INPAT_ICD10(M45) Ankylosing spondylitis 1480
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M461) Sacroiliitis, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 657
INPAT INPAT_ICD8(71310) Osteo-arthritis and allied conditions, Spondylarthritis cervicalis 604
INPAT INPAT_ICD8(71312) Osteo-arthritis and allied conditions, Spondylarthritis lumbalis sive lumbosacralis 594
INPAT INPAT_ICD9(7200A) Ankylosing spondylitis 473
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M469) Inflammatory spondylopathy, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 439
INPAT INPAT_ICD8(71240) Rheumatoid arthritis and allied conditions, Spondylitis ankylopoietica 399
INPAT INPAT_ICD10(M464) Discitis, unspecified 389
OUTPAT OUTPAT_ICD10(M464) Discitis, unspecified 381
INPAT INPAT_ICD10(M469) Inflammatory spondylopathy, unspecified 342
INPAT INPAT_ICD10(M463) Infection of intervertebral disc (pyogenic) 304
OUTPAT OUTPAT_ICD10(M463) Infection of intervertebral disc (pyogenic) 270
INPAT INPAT_ICD10(M461) Sacroiliitis, not elsewhere classified 230
OUTPAT OUTPAT_ICD10(M468) Other specified inflammatory spondylopathies 193
OUTPAT OUTPAT_ICD10(M460) Spinal enthesopathy 170
OUTPAT OUTPAT_ICD10(M462) Osteomyelitis of vertebra 91
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M464) Discitis, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 85
INPAT INPAT_ICD8(71319) Osteo-arthritis and allied conditions, Spondylarthritis NUD 73
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M463) Infection of intervertebral disc (pyogenic). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 66
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M468) Other specified inflammatory spondylopathies. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 63
OUTPAT OUTPAT_ICD10(M465) Other infective spondylopathies 60
INPAT INPAT_ICD10(M462) Osteomyelitis of vertebra 52
INPAT INPAT_ICD8(71311) Osteo-arthritis and allied conditions, Spondylarthritis thoracica 52
INPAT INPAT_ICD8(72699) Affection of sacro-iliac joint 48
INPAT INPAT_ICD9(7209X) Unspecified inflammatory spondylopathy 47
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M460) Spinal enthesopathy. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 46
INPAT INPAT_ICD9(7202A) Sacroiliitis, not elsewhere classified 41
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M46) Other inflammatory spondylopathies. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 37
INPAT INPAT_ICD10(M460) Spinal enthesopathy 34
INPAT INPAT_ICD10(M465) Other infective spondylopathies 33
INPAT INPAT_ICD9(7208A) Other inflammatory spondylopathies 29
INPAT INPAT_ICD10(M468) Other specified inflammatory spondylopathies 27
DEATH DEATH_ICD10(M45) Ankylosing spondylitis 13
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M462) Osteomyelitis of vertebra. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 10
OUTPAT OUTPAT_ICD10(M46) Other inflammatory spondylopathies 9
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M465) Other infective spondylopathies. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 8
DEATH DEATH_ICD10(M464) Discitis, unspecified 5
INPAT INPAT_ICD8(71313) Name not found 5