Variable | Â | Unplanned Readmission n = 15 n (%) | Non-unplanned readmission n = 63 n (%) | p- value |
---|---|---|---|---|
Sex | male | 5 (33.3) | 28 (44.4) | 0.434 |
 | female | 10 (66.7) | 35 (55.6) |  |
Age (years) | 80 (72, 90)* | 81 (73, 86) | 0.929 | |
Length of hospitalization (days) | 10 (6, 16) | 9 (7, 13) | 0.541 | |
Hypertension | 9 (60) | 41 (65) | 0.713 | |
Diabetes | 7 (47) | 19 (30) | 0.223 | |
Diagnosis at index admission | Â | Â | Â | Â |
 | pneumonia | 9 (60) | 25 (40) | 0.154 |
 | urinary tract infection | 8 (53) | 44 (70) | 0.223 |
 | electrolyte imbalance | 3 (20) | 9 (14) | 0.582 |
 | gastro-intestinal tract bleeding | 1 (7) | 2 (3) | 0.527 |
 | cerebral vascular accident | 2 (13) | 8 (13) | 0.947 |
Activity level | Â | Â | Â | 0.288 |
 | can walk in hospital room | 1 (7) | 3 (5) |  |
 | on bed and can change position | 0 | 9 (14) |  |
 | bedridden | 14 (93) | 50 (79) |  |
Glasgow Coma Scale | 12 (7, 14) | 10 (8, 14) | 0.880 | |
WBC before discharge (×103/μl) | 8.8 (6.7, 10.0) | 6.8 (5.6, 8.5) | 0.027 | |
Blood urea nitrogen (mg/dL) | 25 (13, 32) | 16.5 (13.0, 29.0) | 0.584 | |
Blood glucose (mg/dL) | 142 (110, 239) | 128 (105, 164) | 0.302 | |
Serum GOT (mg/dL) | 20 (14, 23) | 22 (16, 32) | 0.212 |