Variable | Different-unit readmission (N = 166) | Same-unit readmission (N = 149) | P value |
---|---|---|---|
Age, years | 70 ± 16 | 76 ± 13 | 0.001 |
≥65 | 114 (69) | 118 (79) | 0.034 |
Male gender | 89 (54) | 83 (56) | 0.710 |
Charlson comorbidity index | 2.8 ± 2.3 | 2.7 ± 2.3 | 0.574 |
Comorbidity | |||
Malignancy | 73 (44) | 61 (41) | 0.586 |
Diabetes mellitus | 60 (36) | 43 (29) | 0.169 |
Cerebrovascular disease | 31 (19) | 37 (25) | 0.185 |
Coronary artery disease | 25 (15) | 21 (14) | 0.808 |
Chronic kidney disease | 15 (9.0) | 29 (20) | 0.008 |
Heart failure | 14 (8.4) | 17 (11) | 0.376 |
Chronic obstructive pulmonary disease | 10 (6.0) | 14 (9.4) | 0.260 |
Liver cirrhosis | 6 (3.6) | 4 (2.7) | 0.754 |
Site of infection during index admission | |||
Pneumonia | 99 (60) | 98 (66) | 0.262 |
Intraabdominal infection | 24 (15) | 13 (8.7) | 0.115 |
Skin and soft tissue infection | 6 (3.6) | 10 (6.7) | 0.211 |
Urinary tract infection | 47 (28) | 42 (28) | 0.980 |
Primary bacteremia | 5 (3.0) | 7 (4.7) | 0.435 |
Febrile neutropenia | 7 (4.2) | 6 (4.0) | 0.933 |
Others | 7 (4.2) | 7 (4.7) | 0.836 |
Clinical event during index admission | |||
Intensive care unit care | 9 (5.4) | 8 (5.4) | 0.984 |
Septic shock | 13 (7.8) | 13 (8.7) | 0.774 |
Acute kidney injury | 21 (13) | 23 (15) | 0.476 |
Mechanical ventilation | 6 (3.6) | 6 (4.0) | 0.849 |
Length of stay, index admission, days | 11 ± 10 | 12 ± 8 | 0.156 |