Table 2.
Most frequent primary diagnoses of all 30 day readmissions among patients with common comorbidities
| Comorbidity | Five most likely primary readmission diagnoses | ||||
|---|---|---|---|---|---|
| First | Second | Third | Fourth | Fifth | |
| Neoplasm (n=1341) | Neoplasm (29.6%; n=397) | Infection (11.1%; n=149) | Gastrointestinal disorder (3.1%; n=41) | Liver disorder (2.3%; n=31) | Metabolic disorder (2.1%; n=28) |
| Diabetes mellitus (n=563) | Infection (10.7%; n=60) | Heart failure (10.3%; n=58) | Neoplasm (8.2%; n=46) | Liver disorder (5.0%; n=28) | Gastrointestinal disorder (4.4%; n=25) |
| Chronic heart failure (n=483) | Heart failure (21.5%; n=104) | Infection (10.1%; n=49) | Ischemic heart disease (5.8%; n=28) | Neoplasm (4.6%; n=22) | Arrhythmia (3.3%; n=16) |
| Ischemic heart disease (n=533) | Infection (10.9%; n=58) | Heart failure (10.5%; n=56) | Ischemic heart disease (8.3%; n=44) | Neoplasm (6.9%; n=37) | Gastrointestinal disorder (3.8%; n=20) |
| Atrial fibrillation (n=332) | Heart failure (13.9%; n=46) | Infection (12.7%; n=42) | Ischemic heart disease (6.9%; n=23) | Arrhythmia (6.6%; n=22) | Neoplasm (5.1%; n=17) |
| COPD (n=229) | Infection (13.1%; n=30) | Neoplasm (12.7%; n=29) | Heart failure (11.4%; n=26) | COPD (7.0%; n=16) | Arrhythmia (3.9%; n=9) |
| Chronic kidney disease (n=408) | Heart failure (15.2%; n=62) | Infection (8.8%; n=36) | Renal failure (5.4%; n=22) | Ischemic heart disease (4.4%; n=18) | Gastrointestinal disorder (4.4%; n=18) |
| Entire cohort (n=2387) | Neoplasm (16.8%; n=402) | Infection (10.9%; n=260) | Heart failure (4.9%; n=116) | Liver disorder (4.4%; n=105) | Gastrointestinal disorder (3.6%; n=86) |
COPD=chronic obstructive pulmonary disease.