Table 1.
Descriptive Statistics of the Patients With Sepsis and Unweighted Controls
| Median; Mean (IQR) or % | ||
|---|---|---|
| Variable | Patients With Sepsis (n = 20 313) | Unweighted Controls (n = 396 976) |
| Basic sociodemographics | ||
| Age, y | 70; 67.49 (60–78) | 70; 67.30 (60–78) |
| Female sex | 43 | 43 |
| Place of birth | ||
| Nordic country | 93 | 90 |
| Non-Nordic European country | 4 | 5 |
| Non-European country | 4 | 4 |
| Education | ||
| Missing information | 2 | 2 |
| Primary education | 39 | 32 |
| Short secondary education | 29 | 27 |
| Long secondary education | 12 | 14 |
| Tertiary education | 17 | 26 |
| Employment status | ||
| Employed | 19 | 31 |
| Retired | 63 | 61 |
| Sickness absence | 3 | 1 |
| Unemployed | 16 | 7 |
| Disposable incomea | ||
| Quintile 1 | 29 | 20 |
| Quintile 2 | 24 | 20 |
| Quintile 3 | 19 | 20 |
| Quintile 4 | 15 | 20 |
| Quintile 5 | 13 | 20 |
| Inpatient visits | ||
| Past 5 y | 2; 3.03 (0–4) | 0; 0.89 (0–1) |
| Past year | 0; 0.85 (0–1) | 0; 0.19 (0–0) |
| Days, past 5 y | 9; 26.76 (0–33) | 0; 5.84 (0–5) |
| Days, past year | 0; 7.79 (0–8) | 0; 1.24 (0–0) |
| Outpatient visits | ||
| Past year | 2; 4.28 (0–5) | 0; 1.53 (0–2) |
| Pharmaceuticals | ||
| Types of drugs, past year | 6; 6.83 (3–10) | 3; 3.59 (1–6) |
| Inpatient visits due to infectious disease: past 5 y | ||
| Visits | 0; 0.43 (0–0) | 0; 0.05 (0–0) |
| Days | 0; 4.74 (0–0) | 0; 0.51 (0.0) |
| Specific diagnoses or procedures: past 5 y | ||
| Acute coronary syndrome | 5 | 2 |
| Other ischemic heart disease | 0.2 | 0.1 |
| Heart failure/cardiomyopathy | 15 | 4 |
| Valve disorders | 5 | 2 |
| Other heart disease, hypertonia, or cardiac surgery | 0.4 | 0.2 |
| Vascular disease | 16 | 7 |
| Cerebrovascular disease | 8 | 4 |
| Thromboembolic disease | 3 | 1 |
| Arrhythmia | 22 | 11 |
| Pulmonary disease | 16 | 5 |
| Rheumatic disease | 5 | 2 |
| Dementia | 2 | 2 |
| Hemiplegia or tetraplegia | 2 | 0.2 |
| Neurologic disease | 6 | 2 |
| Schizophrenia or bipolar disorder | 3 | 1 |
| Other psychiatric disorders | 4 | 2 |
| Drug, alcohol abuse, or intoxication | 10 | 2 |
| Diabetes | 21 | 8 |
| Kidney disease | 10 | 2 |
| Liver disease | 2 | 0.2 |
| Gastrointestinal disease | 4 | 1 |
| Neoplasms | 27 | 18 |
| HIV/AIDS | 0.2 | 0.1 |
| Immune deficiency, blood disease, or anaemia | 13 | 3 |
| Other (noninfectious) diseases | 13 | 3 |
| Enteric infection | 5 | 1 |
| Sepsis | 8 | 1 |
| Infectious of the neurologic system, including the eye | 1 | 0.2 |
| Upper respiratory tract infection, including the ear | 4 | 2 |
| Lower respiratory tract infection, including influenza | 19 | 5 |
| Infection | ||
| Heart or blood vessels | 1 | 0.1 |
| Digestive system, including the liver | 3 | 0.5 |
| Genitourinary system | 17 | 5 |
| Skin or soft tissue | 8 | 2 |
| Bone, joints, or connective tissue | 1 | 0.3 |
| Other infections | 20 | 6 |
| Specific diagnoses: ever | ||
| Cardiac surgery | 12 | 8 |
| Organ transplantation | 2 | 0.3 |
| Childhood conditions | 2 | 0.4 |
| Specific pharmaceuticals: last year | ||
| Cardiac disease | 70 | 53 |
| Lung disease | 18 | 10 |
| Diabetes | 22 | 10 |
| Rheumatic disease | 17 | 14 |
| Psychiatric disease | 41 | 23 |
| Immunosuppressive drugs | 22 | 7 |
| Outcome information: general | ||
| Follow-up time, y | 1.38; 2.62 (0.05–4.35) | 4.22; 4.71 (1.98–7.07) |
| Died during follow-up | 56 | 15 |
Background characteristics refer to the status at the index date.
aQuintiles of disposable household income were defined according to the distribution among controls.