Table 1 30-day readmission according to baseline characteristics among older patients discharged early from hospitals
Total Cohort1 | Readmitted | Time to readmission, days, median (IQR) | Unchanged diagnosis2 | |
|---|---|---|---|---|
Median age, years (IQR) | 75 (69-82) | 75 (70-82) | – | – |
Age groups (years) | ||||
65-75 | 44,467 (47.7%) | 19.7% | 8 (3-16) | 30.8% |
76-85 | 32,767 (35.1%) | 21.1% | 8 (3-17) | 23.8% |
86+ | 16,072 (17.2%) | 20.4% | 8 (3-16) | 22.1% |
Sex, n(%) | ||||
Male | 46,196 (49.5%) | 22.2% | 8 (3-16) | 27.5% |
Female | 47,110 (50.5%) | 18.5% | 8 (3-16) | 25.9% |
Charlson Comorbidity Index | ||||
0 | 34,672 (37.2%) | 14.1% | 7 (2-15) | 30.2% |
1-2 | 36,421 (39.0%) | 20.4% | 8 (3-16) | 26.6% |
3+ | 22,213 (23.8%) | 30.0% | 8 (3-17) | 24.4% |
Marital Status | ||||
Married | 46,965 (50.3%) | 20.5% | 8 (3-6) | 28.5% |
Not Married | 46,330 (49.7%) | 20.1% | 8 (3-16) | 25.0% |
Unknown | 11 (0.01%) | 0.0% | – | – |
Diseases of the cardiovascular system | 13,038 (13.9%) | 19.1% | 9 (4-17) | 45.3% |
Angina Pectoris | 1901 (2.0%) | 17.7% | 10 (4-18) | 33.0% |
Atrial fibrillation | 7187 (7.7%) | 19.3% | 10 (4-18) | 59.3% |
Deep vein thrombosis | 1324 (1.4%) | 15.6% | 6 (2-13) | 16.4% |
Hypertension | 1622 (1.7%) | 15.7% | 7 (3-18) | 21.7% |
Heart failure | 1004 (1.1%) | 29.8% | 8 (3-16) | 34.1% |
Diseases of the respiratory system | 3653 (3.9%) | 29.4% | 9 (3-17) | 37.8% |
COPD | 3088 (3.3%) | 29.0% | 9 (3-17) | 42.4% |
Respiratory failure | 565 (0.6%) | 31.5% | 10 (2-18) | 14.6% |
Diseases of the nervous system | 2091 (2.2%) | 12.2% | 7 (2-17) | 26.8% |
TIA | 1441 (1.5%) | 10.6% | 6 (1-15) | 24.2% |
Epilepsy | 650 (0.7%) | 15.7% | 11 (2-20) | 29.4% |
Endocrine and nutritional diseases | 2765 (3.0%) | 24.9% | 7 (2-15) | 21.5% |
Diabetes | 598 (0.6%) | 22.4% | 8 (2-17) | 19.4% |
Dehydration | 2167 (2.3%) | 25.5% | 7 (3-14) | 22.1% |
Diseases of the digestive system | 1962 (2.2%) | 23.4% | 6 (2-14) | 19.4% |
Dyspepsia | 358 (0.4%) | 15.6% | 7.5 (3-14.5) | 7.1% |
Esophagitis | 53 (0.1%) | 17.0% | 5 (1-14) | 22.2% |
Constipation | 1502 (1.6%) | 25.7% | 5.5 (2-14) | 21.5% |
Ulcer without bleeding | 49 (0.1%) | 16.3% | 4.5 (2-11) | 0% |
Hematological diseases | ||||
Anemia | 4168 (4.5%) | 32.8% | 12 (6-20) | 42.5% |
Infectious disease | 7600 (8.1%) | 23.2% | 6 (2-14) | 22.7% |
Erysipelas | 769 (0.8%) | 21.9% | 7 (3-17) | 31.6% |
Gastroenteritis | 652 (0.7%) | 21.8% | 4 (1-13) | 15.5% |
Pneumonia | 2711 (2.9%) | 23.5% | 6 (2-14) | 28.7% |
Urinary Tract Infection | 3468 (3.7%) | 23.6% | 6 (2-14) | 17.3% |
Spinal disease/arthritis | 1194 (1.3%) | 17.7% | 6 (3-13) | 15.6% |
Back Pain | 1028 (1.1%) | 19.0% | 6 (2-12) | 16.4% |
Arthritis | 166 (0.2%) | 10.2% | 7 (4-21) | 5.9% |
Mental and behavioral disorders | ||||
Misuse of drugs or alcohol | 1078 (1.2%) | 17.2% | 8 (2-15) | 16.2% |
R-diagnoses3 | 27,875 (29.8%) | 21.4% | 7 (3-15) | 22.7% |
Chest pain | 4157 (4.5%) | 15.8% | 9 (4-19) | 18.2% |
Dyspnea | 2450 (2.6%) | 26.7% | 8 (3-15) | 18.7% |
Fever | 688 (0.7%) | 32.4% | 5 (2-14) | 17.5% |
Headache | 569 (0.6%) | 15.6% | 9 (4-19) | 5.6% |
Pains in neuromuscular system | 1035 (1.1%) | 16.3% | 7 (2-15) | 6.5% |
Abdominal pain | 4920 (5.3%) | 21.6% | 6 (2-14) | 24.9 |
Other pain | 1247 (1.3%) | 22.1% | 7 (2.5-15) | 11.2% |
Vertigo | 1986 (2.1%) | 14.5% | 7 (3-15) | 16.0% |
Other R-diagnoses | 10,823 (11.6%) | 23.5% | 7 (2-15) | 28.2% |
Z-diagnoses4 | 24,392 (26.1%) | 17.1% | 8 (3-17) | 18.9% |
Malignancy | 1526 (1.6%) | 28.4% | 10 (4-17) | 18.4% |
Central-nervous diseases | 1841 (2.0%) | 13.4% | 7 (2-17) | 8.5% |
Heart diseases | 3297 (3.5%) | 15.8% | 6 (1-14) | 10.1% |
Myocardial infarction | 5705 (6.1%) | 14.3% | 10 (4-18) | 21.0% |
Rehabilitation | 8037 (8.6%) | 18.1% | 7 (2-16) | 25.0% |
Other Z-diagnoses | 3986 (4.3%) | 17.7% | 7 (2-16) | 8.4% |