Appendix Table A.
Diagnostic codes and categorizations used in the study.
| Dementia, overall | |
| Alzheimer’s disease | ICD-8: 290.10, 290.09, ICD-10: F00, G30 |
| Vascular dementia | ICD-8: 293.09, 293.19, ICD-10: F01 |
| Other dementias | ICD-8: 094.19 and 292.09,290.11, 290.18, 290.19, ICD-10: F02, F03, F1x.73 (F10.73 through F19.73), G23.1; G31.0, G31.0A, G31.0B, G31.1, G31.8B, G31.8E, G31.85 |
| Charlson Comorbidity Index | |
| Score 1 | |
| Myocardial infarction | ICD–8: 410; ICD–10: I21, I22, I23 |
| Congestive heart failure | ICD–8: 427.09, 427.10, 427.11, 427.19, 428.99, 782.49; ICD–10: I50, I11.0, I13.0, I13.2 |
| Peripheral vascular disease | ICD–8: 440, 441, 442, 443, 444, 445; ICD–10: I70, I71, I72, I73, I74, I77 |
| Cerebrovascular disease | ICD–8: 430–438; ICD–10: I60–I69, G45, G46 |
| Dementia – excluded | ICD–8: 290.09–290.19, 293.09; ICD–10: F00–F03, F05.1, G30 |
| Chronic pulmonary disease | ICD–8: 490–493, 515–518, ICD–10: J40–J47, J60–J67, J68.4, J70.1, J70.3, J84.1, J92.0, J96.1, J98.2, J98.3 |
| Connective tissue disease | ICD–8: 712, 716, 734, 446, 135.99; ICD–10: M05, M06, M08, M09, M30, M31, M32, M33, M34, M35, M36, D86 |
| Ulcer disease | ICD–8: 530.91, 530.98, 531–534; ICD–10: K22.1, K25–K28 |
| Mild liver disease | ICD–8: 571, 573.01, 573.04; ICD–10: B18, K70.0–K70.3, K70.9, K71, K73, K74, K76.0 |
| Diabetes type 1 and 2 | ICD–8: 249.00, 249.06, 249.07, 249.09, 250.00, 250.06, 250.07, 250.09; ICD–10: E10.0, E10.1, E10.9, E11.0, E11.1, E11.9 |
| Score 2 | |
| Hemiplegia | ICD–8: 344; ICD–10: G81, G82 |
| Moderate to severe renal disease | ICD–8: 403, 404, 580–583, 584, 590.09, 593.19, 753.10–753.19, 792; ICD–10: 12, I13, N00–N05, N07, N11, N14, N17–N19, Q61 |
| Diabetes with end organ damage | ICD–8: 249.01–249.05, 249.08, 250.01–250.05, 250.08; ICD–10: E10.2–E10.8, E11.2–E11.8 |
| Any tumor – excluded | ICD–8: 140–194; ICD–10: C00–C75 |
| Leukemia – excluded | ICD–8: 204–207; ICD–10: C91–C95 |
| Lymphoma – excluded | ICD–8: 200–203, 275.59; ICD–10: C81–C85, C88, C90, C96 |
| Score 3 | |
| Moderate to severe liver disease | ICD–8: 070.00, 070.02, 070.04, 070.06, 070.08, 573.00, 456.00–456.09; ICD–10: B15.0, B16.0, B16.2, B19.0, K70.4, K72, K76.6, I85 |
| Score 6 | |
| Metastatic solid tumor – excluded | ICD–8: 195–198, 199; ICD–10: C76–C80 |
| AIDS | ICD–8: 079.83; ICD–10: B21–B24 |
| Cancers | |
| ICD-7 codes for exclusion of prevalent cancer | ICD-7: 140–205 |
| Hodgkin’s lymphoma | ICD–10: C81 |
| Non–Hodgkin’s lymphoma (excl. leukemia, multiple myeloma, and types with cutaneous manifestations) | ICD–10: C82–86, C88 (excl. C826, C840, C841, C848, C863, C866, C884B) |
| Multiple myeloma and malignant plasma cell neoplasms | ICD–10: C90 |
| Leukemia | ICD–10: C91–C95 |
| Malignant neoplasm of lymphoid, haematopoietic, and related tissues, unspecified | ICD–10: C96 |
| Haematological cancer with cutaneous manifestations | C826 (cutaneous follicle center lymphoma) C840 (Mycosis fungoides) C841 (Sézary’s disease) C848 (Cutaneous T–cell lymphoma, unspecified) C863 (Subcutaneous panniculitis–like T–cell lymphoma) C866 (Primary cutaneous CD30–positive T–cell proliferations) C884B (Lymphoma of skin–associated lymphoid tissue (SALT–lymphoma)) |
| Liver including intrahepatic bile ducts* | ICD–10: C22 |
| Malignant melanoma including those located in anus and anal canal (morphological codes 872–879) | ICD–10: C43 |
| Non–melanoma skin cancers | ICD–10: C44 |
| Kaposi’s sarcoma | ICD–10: C46, B210 |
| Cervix | ICD–10: C53 |
| Anus and anal canal excl. malignant melanomas (morphologic code 872–879) and basal cell cancers (morphologic code 809) | ICD–10: C21 |
| External female genitalia excluding basal cell carcinomas (morphological code 809) | ICD–10: C51 |
| Lip | ICD–10: C00 |
| Tongue | ICD–10: C01–02 |
| Mouth | ICD–10: C03–06 |
| Tonsil and pharynx | ICD–10: C09–C13 |
| Other and poorly specified location in lip, oral cavity, and pharynx | ICD–10: C14 |
| Larynx | ICD–10: C32 |
| Other and poorly specified location in airways and respiratory organs | ICD–10: C39 |
| Oesophagus | ICD–10: C15 |
| Stomach | ICD–10: C16 |
| Colon incl. rectosigmoid junction | ICD–10: C18–C19 |
| Rectum | ICD–10: C20 |
| Pancreas | ICD–10: C25 |
| Lung, bronchus and trachea | ICD–10: C33–C34 |
| Kidney | ICD–10: C64 |
| Renal pelvis | ICD–10: C65 |
| Ureter | ICD–10: C66 |
| Urinary bladder | ICD–10: C67 |
| Salivary gland | ICD–10: C07–C08 |
| Small intestine | ICD–10: C17 |
| Gallbladder and bile ducts | ICD–10: C23–C24 |
| Other and ill-defined cancers of digestive organs | ICD–10: C26 |
| Nasal cavity, middle ear and accessory sinuses | ICD–10: C30–C31 |
| Thymus | ICD–10: C37 |
| Heart and mediastinum | ICD–10: C380–383, C388 |
| Pleura incl. mesothelioma pleura | ICD–10: C384, C450 |
| Bone and articular cartilage | ICD–10: C40–C41 |
| Mesothelioma | ICD–10: C45.1–C45.9 |
| Peripheral nerves and autonomic nervous system | ICD–10: C47 |
| Retroperitoneum and peritoneum, and malignant neoplasm of other connective and soft tissue | ICD–10: C48–C49 |
| Breast | ICD–10: C50 |
| Vagina excluding basal cell carcinomas (morphological code 809) | ICD–10: C52 |
| Uterus | ICD–10: C54–C55 |
| Ovary and fallopian tube | ICD–10: C56, C570–574 |
| Placenta | ICD–10: C58 |
| Other and unspecified female genital organs | ICD–10: C577–579 |
| Penis excluding basal cell carcinomas (morphological code 809) | ICD–10: C60 |
| Prostate | ICD–10: C61 |
| Testis | ICD–10: C62 |
| Other and unspecified cancers in male genital organs excluding basal cell carcinomas (morphological code 809) | ICD–10: C63 |
| Other and unspecified urinary organs | ICD–10: C68 |
| Eye and adnexa | ICD–10: C69 |
| Meninges | ICD–10: C70 |
| Brain including hypophysis, corpus pineale, and ductus craniopharyngealis | ICD–10: C71 |
| Benign neoplasms of brain and meninges | ICD-10: DD32, DD33, DD352, DD353, DD354 |
| Spinal cord, cranial nerves and other parts of central nervous system | ICD–10: C72 |
| Endocrine glands and related structure | ICD–10: C73–C75 |
| Metastasis and unspecified cancer in lymph nodes (only if there is no primary tumor coded) | ICD–10: C77–79 (only if there is no primary tumor coded) |
| Malignant neoplasm of other, ill defined, or unspecified sites | ICD–10: C76, C80 |