Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(I671) Cerebral aneurysm, nonruptured 3338
INPAT INPAT_ICD10(I671) Cerebral aneurysm, nonruptured 2439
OUTPAT OUTPAT_ICD10(I609) Subarachnoid haemorrhage, unspecified 1811
OPER_IN OPER_IN_NOM(AAC00) Ligature of intracranial aneurysm 1761
INPAT INPAT_ICD10(I609) Subarachnoid haemorrhage, unspecified 1314
INPAT INPAT_ICD10(I601) Subarachnoid haemorrhage from middle cerebral artery 606
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(I671) Cerebral aneurysm, nonruptured. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 585
INPAT INPAT_ICD10(I602) Subarachnoid haemorrhage from anterior communicating artery 562
OUTPAT OUTPAT_ICD10(I601) Subarachnoid haemorrhage from middle cerebral artery 555
OUTPAT OUTPAT_ICD10(I602) Subarachnoid haemorrhage from anterior communicating artery 480
OPER_IN OPER_IN_FHL(2161) Neck ligation, big brain 454
INPAT INPAT_ICD9(4300A) Subarachnoid haemorrhage 452
OUTPAT OUTPAT_ICD10(I607) Subarachnoid haemorrhage from intracranial artery, unspecified 349
OUTPAT OUTPAT_ICD10(I600) Subarachnoid haemorrhage from carotid siphon and bifurcation 348
OPER_IN OPER_IN_NOM(AAL00) Endovascular occlusion of intracranial aneurysm 328
INPAT INPAT_ICD10(I600) Subarachnoid haemorrhage from carotid siphon and bifurcation 322
INPAT INPAT_ICD10(I607) Subarachnoid haemorrhage from intracranial artery, unspecified 287
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(I609) Subarachnoid haemorrhage, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 268
INPAT INPAT_ICD8(43090) Subarachnoid haemorrhage, Postaneurysma sacculare, hypertonia non indicata 242
INPAT INPAT_ICD10(I608) Other subarachnoid haemorrhage 206
OUTPAT OUTPAT_ICD10(I608) Other subarachnoid haemorrhage 200
INPAT INPAT_ICD10(I603) Subarachnoid haemorrhage from posterior communicating artery 185
INPAT INPAT_ICD8(43099) Subarachnoid haemorrhage, Without mention of hypertension 175
INPAT INPAT_ICD10(I606) Subarachnoid haemorrhage from other intracranial arteries 170
INPAT INPAT_ICD9(4309X) Subarachnoid haemorrhage 169
OUTPAT OUTPAT_ICD10(I603) Subarachnoid haemorrhage from posterior communicating artery 163
INPAT INPAT_ICD9(4373A) Cerebral aneurysm, nonruptured 161
OUTPAT OUTPAT_ICD10(I606) Subarachnoid haemorrhage from other intracranial arteries 150
INPAT INPAT_ICD10(I604) Subarachnoid haemorrhage from basilar artery 124
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(I601) Subarachnoid haemorrhage from middle cerebral artery. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 106
OUTPAT OUTPAT_ICD10(I604) Subarachnoid haemorrhage from basilar artery 105
DEATH DEATH_ICD10(I601) Subarachnoid haemorrhage from middle cerebral artery 95
DEATH DEATH_ICD10(I609) Subarachnoid haemorrhage, unspecified 93
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(I602) Subarachnoid haemorrhage from anterior communicating artery. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 88
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(I60) Subarachnoid haemorrhage. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 66
DEATH DEATH_ICD10(I602) Subarachnoid haemorrhage from anterior communicating artery 63
INPAT INPAT_ICD10(I605) Subarachnoid haemorrhage from vertebral artery 61
INPAT INPAT_ICD8(43000) Subarachnoid haemorrhage, Post aneyrisma sacculare, cum hypertonia 47
OUTPAT OUTPAT_ICD10(I605) Subarachnoid haemorrhage from vertebral artery 47
DEATH DEATH_ICD10(I604) Subarachnoid haemorrhage from basilar artery 46
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(I608) Other subarachnoid haemorrhage. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 41
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(I600) Subarachnoid haemorrhage from carotid siphon and bifurcation. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 37
OPER_OUT OPER_OUT_NOM(AAC00) Ligature of intracranial aneurysm 36
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(I603) Subarachnoid haemorrhage from posterior communicating artery. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 34
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(I606) Subarachnoid haemorrhage from other intracranial arteries. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 34
INPAT INPAT_ICD8(43098) Subarachnoid haemorrhage, Alia definita, hypertonia non indicata 33
INPAT INPAT_ICD9(4301A) Subarachnoid haemorrhage 31
DEATH DEATH_ICD10(I606) Subarachnoid haemorrhage from other intracranial arteries 28
INPAT INPAT_ICD8(43009) Subarachnoid haemorrhage, NUD, cum hypertonia 27
DEATH DEATH_ICD10(I600) Subarachnoid haemorrhage from carotid siphon and bifurcation 26
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(I607) Subarachnoid haemorrhage from intracranial artery, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 26
OUTPAT OUTPAT_ICD10(I60) Subarachnoid haemorrhage 23
INPAT INPAT_ICD8(43091) Subarachnoid haemorrhage, Postaneyrisma arteriovenosum, hypertonia non indicata 22
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(I604) Subarachnoid haemorrhage from basilar artery. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 22
DEATH DEATH_ICD10(I607) Subarachnoid haemorrhage from intracranial artery, unspecified 20
DEATH DEATH_ICD10(I603) Subarachnoid haemorrhage from posterior communicating artery 19
DEATH DEATH_ICD10(I671) Cerebral aneurysm, nonruptured 18
INPAT INPAT_ICD9(4308X) Subarachnoid haemorrhage 17
OPER_OUT OPER_OUT_NOM(AAL00) Endovascular occlusion of intracranial aneurysm 17
OPER_IN OPER_IN_FHL(2164) Crotigree 15
OPER_IN OPER_IN_NOM(AAC10) Reinforcement of intracranial aneurysm wall 14
INPAT INPAT_ICD8(43008) Subarachnoid haemorrhage, Alii definiti, cum hypertonia 13
DEATH DEATH_ICD9(4300A) Subarachnoid haemorrhage 11
INPAT INPAT_ICD10(I60) Subarachnoid haemorrhage 11
DEATH DEATH_ICD10(I608) Other subarachnoid haemorrhage 10
DEATH DEATH_ICD10(I605) Subarachnoid haemorrhage from vertebral artery 9
OPER_IN OPER_IN_NOM(AAC99) Other operation for aneurysm or other intracranial vascular lesion 9
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(I605) Subarachnoid haemorrhage from vertebral artery. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 9
OPER_IN OPER_IN_FHL(2162) Wall reinforcement, big brain 8
DEATH DEATH_ICD9(4309X) Subarachnoid haemorrhage 6
OPER_IN OPER_IN_FHL(2163) Proxies. Vascular ligation, big brain 6
OPER_IN OPER_IN_FHL(2169) Other measure in this category 6