Table 2.
Top 10 conditions and procedures with mapped concept description and prevalence in the CPRD OMOP CDM
| Domain | Source code/description | SNOMED-CT | Prevalence (patients with source code/all patients in database) |
|---|---|---|---|
| Condition | H05z.00 Upper respiratory infection NOS | Acute upper respiratory infection | 12.3 |
| Condition | H05z.11 Upper respiratory tract infection NOS | Acute upper respiratory infection | 9.6 |
| Condition | H03..00 Acute tonsillitis | Acute tonsillitis | 8.2 |
| Condition | H06z011 Chest infection | Lower respiratory tract infection | 8.2 |
| Condition | H06z000 Chest infection NOS | Lower respiratory tract infection | 6.9 |
| Condition | N131.00 Cervicalgia: pain in neck | Nonspecific pain in the neck region | 6.7 |
| Condition | N142.11 Low back pain | Low back pain | 6.6 |
| Condition | N245.17 Shoulder pain | Shoulder pain | 6.2 |
| Condition | H33..00 Asthma | Hyperreactive airway disease | 5.7 |
| Condition | G20..00 Essential hypertension | Essential hypertension | 5.5 |
| Procedure | 535..00 Standard chest X-ray | Plain chest X-ray | 8.4 |
| Procedure | 3395.00 Peak expiratory flow rate: PEFR/PFR | PEFR: peak expiratory flow rate | 6.7 |
| Procedure | 7305011 Syringe ear to remove wax | Syringing ear to remove wax | 5.9 |
| Procedure | 81H..00 Dressing of wound | Dressing of wound | 5.6 |
| Procedure | 6637.00 Inhaler technique observed | Inhaler technique observed | 4.8 |
| Procedure | 662..12 Hypertension monitoring | Hypertension monitoring | 4.5 |
| Procedure | 8C1B.00 Nursing care blood sample taken | Blood sample taken | 4.3 |
| Procedure | 7L17200 Blood withdrawal for testing | Taking blood sample | 4 |
| Procedure | 7L17.00 Blood withdrawal | Phlebotomy | 3.7 |
| Procedure | 663..11 Asthma monitoring | Asthma monitoring | 3.3 |
CDM common data model, CPRD clinical practice research datalink, OMOP observational medical outcomes partnership