Table 1.
Number and proportion of patients (present and dead) with Charlson Comorbidity Index (CCI) diseases (not mutually exclusive) registered in the Norwegian Patient Register between January 1, 2010 and December 31, 2011
| Comorbidity | Number of patients | Proportion with comorbidity (%) | Number dead | Proportion dead (%) | HR | 95% CI | CCI | PRI |
|---|---|---|---|---|---|---|---|---|
| No | 861,553 | 77.4 | 12,296 | 1.4 | 1.0 | – | 0 | 0 |
| Yes | 251,788 | 22.6 | 40,642 | 16.1 | 4.46 | 4.36–4.55 | >0 | >0 |
| Total | 1,113,341 | 100.0 | 52,938 | 4.8 | ||||
| Type of comorbidity | ||||||||
| No chr dis | 861,553 | 77.4 | 12,296 | 1.4 | 1.0 | – | 0 | 0 |
| Myocardial infarction | 44,034 | 4.0 | 7,741 | 17.6 | 1.25 | 1.22–1.28 | 1 | 1 |
| Congestive heart failure | 32,408 | 2.9 | 9,745 | 30.1 | 2.07 | 2.02–2.12 | 1 | 2 |
| Peripheral vascular dis | 18,459 | 1.7 | 3,253 | 17.6 | 1.36 | 1.31–1.41 | 1 | 1 |
| Cerebrovascular dis | 42,425 | 3.8 | 7,446 | 17.6 | 1.56 | 1.52–1.60 | 1 | 1 |
| Dementia | 15,225 | 1.4 | 5,391 | 35.4 | 2.34 | 2.27–2.41 | 1 | 2 |
| Chronic pulmonary dis | 54,410 | 4.9 | 7,769 | 14.3 | 1.65 | 1.60–1.69 | 1 | 1 |
| Rheumatic dis | 14,110 | 1.3 | 1,261 | 8.9 | 1.03 | 0.97–1.09 | 1 | 0 |
| Peptic ulcer dis | 5,408 | 0.5 | 931 | 17.2 | 1.45 | 1.36–1.55 | 1 | 1 |
| Mild liver dis | 6,007 | 0.5 | 496 | 8.3 | 2.72 | 2.49–2.98 | 1 | 2 |
| Diabetes without chr compl | 38,237 | 3.4 | 4,654 | 12.2 | 1.20 | 1.17–1.24 | 1 | 0 |
| Diabetes with chr compl | 8,558 | 0.8 | 1,421 | 16.6 | 1.44 | 1.36–1.52 | 2 | 1 |
| Hemiplegia or paraplegia | 3,265 | 0.3 | 224 | 6.9 | 1.60 | 1.40–1.83 | 2 | 1 |
| Renal dis | 3,905 | 0.4 | 536 | 13.7 | 1.67 | 1.54–1.82 | 2 | 1 |
| Any malignancy | 42,667 | 3.8 | 7,564 | 17.7 | 2.94 | 2.86–3.01 | 2 | 2 |
| Mod or severe liver dis | 1,184 | 0.1 | 390 | 32.9 | 7.47 | 6.67–8.27 | 3 | 5 |
| Metastatic solid tumor | 14,917 | 1.3 | 7,777 | 52.1 | 13.80 | 13.46–14.15 | 6 | 6 |
| AIDS/HIV | 536 | 0.05 | 31 | 5.8 | 3.61 | 2.53–5.14 | 6 | 3 |
Notes: Hazard ratios (HRs) for 1-year mortality, and 95% confidence intervals (CIs), adjusted for age and sex, together with weights for both the CCI and Patient Register Index (PRI), are shown.
Abbreviations: AIDS, acquired immunodeficiency syndrome; HIV, human immunodeficiency virus; dis, disease; chr, chronic; compl, complications; mod, moderate.