International Classification of Diseases (ICD) codes from the Swedish version of the classification system used to retrieve information on comorbidities.
| (a) Congestive heart disease (ICD-10 I42, I50; ICD-9 425, 428; ICD-8 425, 427.00, 427.10, 428.90), (b) hypertension (ICD-10 I10–I15; ICD-9 401–405; ICD-8 400–404), (c) diabetes (ICD-10 E10–E14; ICD-9 250; ICD-8 250), (d) atrial fibrillation (ICD-10 I48; ICD-9 427D; ICD-8 427.92), (e) chronic kidney disease (ICD-10 N18, N19; ICD-9/8 585, 586), (d) antiphospholipid syndrome (ICD-10 D86.6), and (f) infection frailty (ICD-10 A00–B99, G00–G02, G04.2, G05–G07, H66, H67, H70, J00–J22, J32, J34.0, J36, J38.3, J39.0, J39.1, K10.2, L00–L08, M00, M01, M46.2–M46.5, M86, N10, N30.0; ICD-9 001–139, 320–322, 382, 383, 460–466, 475, 480–487, 562E, 562F, 590, 680–686, 711A, 711E, 730, 790H, 695; ICD-8 000–136, 320, 322, 381–383, 460–466, 470–474, 480–486, 501, 426.40, 590, 680–686, 710, 720, 782.90). |