Prevalence of comorbidities during the 1 year before idiopathic pulmonary fibrosis (IPF) diagnosis
| IPF cohort | |||
| Primary cohort incident patients | Broad case subgroup | Narrow case subgroup | |
| Subjects n | 4206 | 2670 | 1685 |
| Pulmonary and respiratory diseases | |||
| Chronic obstructive pulmonary disease | 28.7 | 26.1 | 30.7 |
| Pneumonia | 21.4 | 18.9 | 24.6 |
| Acute bronchitis and bronchiolitis | 18.8 | 18.1 | 19.8 |
| Asthma | 18.6 | 18.4 | 20.0 |
| Sleep apnoea | 8.5 | 7.8 | 8.6 |
| Pulmonary embolism | 2.8 | 2.7 | 3.4 |
| Pulmonary hypertension | 2.7 | 2.4 | 3.2 |
| Lung cancer/bronchogenic carcinoma | 2.7 | 2.7 | 4.1 |
| Influenza | 1.3 | 1.3 | 1.6 |
| Cardiovascular diseases | |||
| Coronary artery disease (exclusive of myocardial infarction) | 15.7 | 14.5 | 16.4 |
| Heart failure | 9.4 | 7.9 | 9.1 |
| Cerebrovascular disease | 5.6 | 5.5 | 6.0 |
| Atrial fibrillation | 4.2 | 3.9 | 4.1 |
| Myocardial infarction | 2.8 | 2.8 | 2.9 |
| Acute coronary syndrome | 2.2 | 2.4 | 2.4 |
| Deep vein thrombosis | 1.1 | 0.9 | 1.4 |
| Other diseases | |||
| Diabetes | 18.2 | 17.6 | 18.0 |
| Fatigue | 17.5 | 17.9 | 19.6 |
| Gastro-oesophageal reflux disease | 16.9 | 16.5 | 18.5 |
| Depression | 10.2 | 10.4 | 11.3 |
| Obesity | 5.3 | 5.2 | 4.8 |
| Rib fractures | 0.6 | 0.4 | 0.7 |
Data are presented as %, unless otherwise stated.