Definitions of 32 physical-health conditions assessed
| Condition | Variable name | Variable definition |
|---|---|---|
| Coronary heart disease | CHD | Read code ever recorded |
| Chronic kidney disease | CKD | Read code ever recorded |
| Asthma (active) | Asthma | Read code ever recorded AND any prescription in the previous year |
| Atrial fibrillation | Atrial fibrillation | Read code ever recorded |
| Epilepsy | Epilepsy | Read code ever recorded AND epilepsy prescription in the previous year |
| New cancer in the last 5 years | Cancer | Read code first recorded in the last 5 years (Relevant Read Code recorded) |
| Thyrotoxicosis/thyroid disorders (includes hypothyroidism) | Thyroid disorders | Read code ever recorded (Relevant Read Code recorded) |
| Diabetes | Diabetes | Read code ever recorded |
| Parkinson's disease | Parkinson's disease | Read code ever recorded (Relevant Read Code recorded) |
| Multiple sclerosis | Multiple sclerosis | Read code ever recorded (Relevant Read Code recorded) |
| Stroke or transient ischaemic attack | Stroke or TIA | Read code ever recorded (Relevant Read Code recorded) |
| Blindness and low vision | Blindness | Read code ever recorded (Relevant Read Code recorded) |
| Glaucoma | Glaucoma | Read code ever recorded (Relevant Read Code recorded) |
| Hearing loss | Hearing loss | Read code ever recorded (Relevant Read Code recorded) |
| Hypertension | Hypertension | Read code ever recorded (Relevant Read Code recorded) |
| Heart failure | Heart failure | Read code ever recorded |
| Peripheral vascular diseases | PVD | Read code ever recorded (Relevant Read Code recorded) |
| Chronic sinusitis | Sinusitis | Read code ever recorded (Relevant Read Code recorded) |
| Bronchitis, emphysema & other chronic obstructive pulmonary diseases | COPD | Read code ever recorded (Relevant Read Code recorded) |
| Bronchiectasis | Bronchiectasis | Read code ever recorded (Relevant Read Code recorded) |
| Crohn's disease and ulcerative colitis | Inflammatory bowel disease | Read code ever recorded (Relevant Read Code recorded) |
| Diverticular disease of the intestine | Diverticular disease | Read code ever recorded (Relevant Read Code recorded) |
| Rheumatoid arthritis, other inflammatory polyarthropathies and systematic connective tissue disorders | Inflammatory arthritis | Read code ever recorded (Relevant Read Code recorded) |
| Hyperplasia of prostate and prostate disorders | Prostate disease | Read code ever recorded (Relevant Read Code recorded) |
| Psoriasis or eczema | Psoriasis/eczema | Read code ever recorded (M11% & M12%) AND ≥ 4 prescription in last year (BNF 13.4, excluding hydrocortisone and BNF 13.5) |
| Viral hepatitis | Viral hepatitis | Read code ever recorded (Relevant Read Code recorded) |
| Irritable bowel syndrome | Irritable bowel syndrome | Read code ever recorded (Relevant Read Code recorded) OR ≥ 4 antispasmodic prescription in the previous year (POM only, exclude kolanticon, alverine citrate and peppermint oil) |
| Cirrhosis/chronic liver disease/alcoholic liver disease | Chronic liver disease | Read code ever recorded (Relevant Read Code recorded) |
| Migraine | Migraine | ≥ 4 anti-migraine prescriptions in last year (BNF 040704%, POM only exclude migraleve) |
| Dyspepsia | Dyspepsia | ≥ 4 prescriptions in last year BNF 0103% excluding antacids AND NOT ≥4 NSAIDS OR ≥4 aspirin/clopidogrel |
| Constipation | Constipation | ≥4 prescriptions in last year, BNF 0106% |
| pain | pain | ≥4 specified analgesic prescriptions in the previous year (opioids/>8 mg cocodamol/NSAIDS) OR ≥4 specified antiepileptics in the absence of an epilepsy Read code in last year (gabapentin, pregabalin and carbamazepine) |
BNF, British National Formulary; NSAIDS, non-steroidal anti-inflammatory drugs; POM, prescription only medicine.