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Table 3 Primary diagnosis codes associated with APR-DRG 045 ischaemic stroke

From: Hospital financing of ischaemic stroke: determinants of funding and usefulness of DRG subcategories based on severity of illness

Description of primary diagnosis codes within APR-DRG 045 % of total Distribution per SOI
SOI 1 SOI 2 SOI 3 SOI 4
N 2513 52 1233 797 431
% 100.0 2.0 49.1 31.7 17.2
Unspecified occlusion of the cerebral artery, with mention of brain infarct (ICD 434.91)a 64.5% 80.8% 71.0% 58.9% 54.5%
Cerebral embolism, with mention of brain infarct (ICD 434.11) 21.9% 7.7% 17.6% 28.1% 24.4%
Occlusion and stenosis of the carotid artery, with mention of brain infarct (ICD 433.11) 6.2% 7.7% 5.0% 6.2% 10.0%
Cerebral thrombosis, with mention of brain infarct (ICD 434.01) 2.8% 1.9% 1.8% 2.8% 5.8%
Multiple and bilateral occlusion and stenosis of the precerebral arteries, with brain infarct (ICD 433.31) 1.8% 1.9% 1.5% 1.6% 2.6%
Occlusion and stenosis of the basilar artery, with mention of brain infarct (ICD 433.01) 1.6% 0.0% 1.5% 1.5% 2.3%
Occlusion and stenosis of the vertebral artery, with mention of brain infarct (ICD 433.21) 1.2% 0.0% 1.6% 0.9% 0.5%
Occlusion and stenosis of other specified precerebral arteries, with brain infarct (ICD 433.81) 0.1% 0.0% 0.1% 0.1% 0.0%
  1. ICD: International Classification of Diseases, SOI: severity of illness