Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(M45) Ankylosing spondylitis 3544
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M45) Ankylosing spondylitis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 2576
OUTPAT OUTPAT_ICD10(M461) Sacroiliitis, not elsewhere classified 1988
OUTPAT OUTPAT_ICD10(M469) Inflammatory spondylopathy, unspecified 1800
INPAT INPAT_ICD10(M45) Ankylosing spondylitis 1724
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M461) Sacroiliitis, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 926
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 631
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M469) Inflammatory spondylopathy, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 611
INPAT INPAT_ICD9(7200A) Ankylosing spondylitis 508
INPAT INPAT_ICD10(M464) Discitis, unspecified 477
OUTPAT OUTPAT_ICD10(M464) Discitis, unspecified 466
INPAT INPAT_ICD8(71240) Rheumatoid arthritis and allied conditions, Spondylitis ankylopoietica 432
INPAT INPAT_ICD10(M469) Inflammatory spondylopathy, unspecified 405
INPAT INPAT_ICD10(M463) Infection of intervertebral disc (pyogenic) 383
OUTPAT OUTPAT_ICD10(M463) Infection of intervertebral disc (pyogenic) 336
INPAT INPAT_ICD10(M461) Sacroiliitis, not elsewhere classified 271
OUTPAT OUTPAT_ICD10(M468) Other specified inflammatory spondylopathies 220
OUTPAT OUTPAT_ICD10(M460) Spinal enthesopathy 192
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M464) Discitis, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 117
OUTPAT OUTPAT_ICD10(M462) Osteomyelitis of vertebra 100
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M468) Other specified inflammatory spondylopathies. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 90
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M463) Infection of intervertebral disc (pyogenic). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 86
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! 73
OUTPAT OUTPAT_ICD10(M465) Other infective spondylopathies 67
INPAT INPAT_ICD10(M462) Osteomyelitis of vertebra 59
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M46) Other inflammatory spondylopathies. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 57
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 47
INPAT INPAT_ICD10(M460) Spinal enthesopathy 37
INPAT INPAT_ICD10(M465) Other infective spondylopathies 37
INPAT INPAT_ICD10(M468) Other specified inflammatory spondylopathies 33
INPAT INPAT_ICD9(7208A) Other inflammatory spondylopathies 30
DEATH DEATH_ICD10(M45) Ankylosing spondylitis 22
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M462) Osteomyelitis of vertebra. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 12
DEATH DEATH_ICD10(M464) Discitis, unspecified 11
OUTPAT OUTPAT_ICD10(M46) Other inflammatory spondylopathies 11
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) 6
INPAT INPAT_ICD8(71313) Name not found 6