Table 1. Charlson comorbidity index, number of patients in each comorbidity category and matching scores for the 19 medical conditions.
| Comorbidity Categories: | CCI score: | N (%) |
|---|---|---|
| No Comorbidity | 0 | 1.741 (80.3) |
| Cardiopulmonary disease: | 60 (2.3) | |
| Myocardial infarction | 1 | |
| Congestive heart failure | 1 | |
| Chronic pulmonary disease | 1 | |
| Gastrointestinal disease: | 18 (0.8) | |
| Ulcer disease | 1 | |
| Mild liver disease | 1 | |
| Moderate/severe liver disease | 3 | |
| Neurovascular disease: | 57 (2.6) | |
| Peripheral vascular disease | 1 | |
| Cerebrovascular disease | 1 | |
| Dementia | 1 | |
| Hemiplegia | 2 | |
| Malignant neoplasms: | 196 (9.0) | |
| Any tumour * | 2 | |
| Leukaemia | 2 | |
| Lymphoma | 2 | |
| Metastatic solid tumour | 6 | |
| Miscellaneous diseases: | 95 (4.4) | |
| Connective tissue disease | 1 | |
| Diabetes | 1 | |
| Moderate/severe renal disease | 2 | |
| Diabetes with end organ damage | 2 | |
| AIDS | 6 |
CCI: Charlson Comorbidity Index; AIDS: acquired immunodeficiency syndrome.
* Excluding tumours in soft tissue and bone (iCD-8; 170, 171, 192.49–99 and iCD-10; C40-C41, C47, C49).