Table 3 Basic characteristics, risk of mortality and readmission for all patients discharged with nonspecific diagnoses for the 20 most frequent clinical subgroups
Group | N | Age, mean | Female, % | M3 Score, mean | LOS (hours), mean | Risk of mortality within 30 days, % (95% CI) | Risk of readmission within 30 days, % (95% CI) |
|---|---|---|---|---|---|---|---|
All R and Z03 | 72,950 | 57.3 | 53.6% | 0.55 | 18 | 1.0% (0.9–1.1%) | 8.6% (8.4–8.9%) |
All R | 58,924 | 56.9 | 54.1% | 0.55 | 17.6 | 0.9% (0.9-1.0%) | 8.8% (8.6-9.0%) |
Chest pain | 9599 | 55.1 | 50.8% | 0.45 | 11.1 | 0.2% (0.1–0.3%) | 4.5% (4.2–4.9%) |
Palpitations | 1299 | 50.9 | 63.8% | 0.33 | 7.8 | Censored, few events | 3.5% (2.7–4.7%) |
Abnormal breathing | 3788 | 64.2 | 55.9% | 0.89 | 22.3 | 2.7% (2.3–3.3%) | 12.5% (11.5–13.6%) |
Epistaxis and oropharyngeal bleeding | 1160 | 69.6 | 45.6% | 0.73 | 11.2 | 1.2% (0.7-2.0%) | 10.6% (9.2–12.3%) |
Abdominal pain | 12,462 | 46.9 | 64.3% | 0.41 | 15.2 | 0.5% (0.4–0.6%) | 9.7% (9.2–10.1%) |
Nausea or vomiting | 998 | 56.3 | 61.1% | 0.68 | 21.7 | 1.7% (1.1–2.7%) | 13.7% (11.6–16.1%) |
Symptoms and signs involving the nervous and musculoskeletal systems | 2421 | 54.9 | 58.3% | 0.49 | 26.7 | 0.2% (0.1–0.6%) | 7.4% (6.4–8.5%) |
Tendency to fall | 958 | 80.8 | 54.0% | 1.03 | 48.3 | 2.3% (1.5–3.5%) | 16.0% (14.1–18.2%) |
Seizures | 1122 | 51.7 | 39.3% | 0.79 | 22.1 | 1.1% (0.6–1.8%) | 9.1% (7.8–10.5%) |
Vertigo | 2921 | 64.3 | 59.3% | 0.48 | 18.3 | Censored, few events | 6.0% (5.2-7.0%) |
Headache, unspecified | 2578 | 47.6 | 62.6% | 0.34 | 13.7 | Censored, few events | 7.5% (6.5–8.7%) |
Symptoms regarding urination and urinary tract | 2495 | 71.6 | 15.3% | 0.77 | 26.2 | 2.1% (1.6–2.8%) | 16.1% (14.7–17.7%) |
Malaise or fatigue | 2214 | 63.1 | 56.1% | 0.64 | 10.8 | 1.4% (1.0-1.9%) | 8.4% (7.5–9.5%) |
Fainting | 4708 | 62 | 49.2% | 0.52 | 20.5 | 0.4% (0.3–0.6%) | 5.9% (5.3–6.5%) |
Fever | 1046 | 53.9 | 43.0% | 0.64 | 32.1 | 1.3% (0.8–2.4%) | 14.6% (12.9–16.7%) |
Acute pain, unspecified | 3460 | 56.5 | 59.0% | 0.51 | 10.6 | 0.8% (0.6–1.2%) | 7.8% (6.9–8.8%) |
All Z03 | 14,026 | 59.5 | 51.3% | 0.56 | 19.7 | 1.2% (1.0-1.4%) | 8.1% (7.6–8.6%) |
Observation for suspected myocardial infarction | 2656 | 61.7 | 47.6% | 0.58 | 21.1 | 0.3% (0.1–0.5%) | 5.3% (4.6–6.1%) |
Observation for suspected cancer | 833 | 69.3 | 43.0% | 0.6 | 58.8 | 8.1% (6.5–10.2%) | 22.6% (20.2–25.3%) |
Observation for concussion | 1526 | 59.3 | 49.4% | 0.61 | 10.2 | 1.0% (0.7–1.7%) | 6.7% (5.6-8.0%) |
Observation for unspecified disease or condition | 4973 | 56.5 | 53.3% | 0.55 | 12.3 | 1.0% (0.8–1.3%) | 8.4% (7.6–9.3%) |