Table 1 Patient characteristics
Variables | ||
|---|---|---|
Age (years) | Mean (SD) | 84 (3.94) |
80–84 | N (%) | 191 (63.7) |
85–89 | N (%) | 81 (27) |
> 90 | N (%) | 28 (9.3) |
Sex (female) | N (%) | 139 (46.3) |
Body mass index (kg/m2) | Mean (SD) | 19.6 (3.4) |
> 22 | N (%) | 93 (31) |
18.5–22 | N (%) | 101 (33.7) |
< 18.5 | N (%) | 106 (35.3) |
Comorbid conditions | ||
Congestive heart failure | N (%) | 75 (25) |
Cardiovascular disease | N (%) | 55 (18.3) |
Peripheral vascular disease | N (%) | 10 (3.3) |
Chronic obstructive pulmonary disease | N (%) | 15 (5) |
Diabetes mellitus | N (%) | 123 (41) |
Diabetes mellitus with end-organ damage | N (%) | 101 (33.7) |
Cerebral infarction | N (%) | 79 (26.3) |
Dementia | N (%) | 86 (28.7) |
Collagen disease | N (%) | 15 (5) |
Peptic ulcer | N (%) | 5 (1.7) |
Hemiplegia | N (%) | 41 (13.7 ) |
Mild liver dysfunction | N (%) | 10 ( 3.3) |
Moderate/severe liver dysfunction | N (%) | 5 (1.7) |
Malignant tumor | N (%) | 22 (7.3) |
Metastatic malignant tumor | N (%) | 4 (1.3) |
Laboratory data | ||
Serum albumin g/dl | Mean (SD) | 2.8 (0.6) |
Hemoglobin g/dl | Mean (SD) | 9.0 (1.5) |
Serum sodium mEq/l | Mean (SD) | 137.6 (5.2) |
Serum potassium mEq/l | Mean (SD) | 4.5 (1.2) |
eGFR ml/min/1.73 m2 | Mean (SD) | 8.5 (3.9) |
Serum chloride mEq/l | Mean (SD) | 5.7 (2.3) |
Corrected serum calcium mg/dl | Mean (SD) | 9.3 (1.1) |
Blood urea nitrogen mg/dl | Mean (SD) | 81.3 (36.2) |
Serum phosphorus mg/dl | Mean (SD) | 5.1 (1.7) |
Total cholesterol mg/dl | Mean (SD) | 165.9 (51.7) |
C-reactive protein mg/dl | Mean (SD) | 2.9 (5.5) |
Dialysis | ||
Emergency initiation | N (%) | 116.0 (38.7) |
Temporary catheter | N (%) | 144.0 (48.0) |
Arteriovenous fistula | N (%) | 166.0 (52.0) |
Karnofsky Performance Status | Mean (SD) | 60.1 (23.8) |
10–40 | N (%) | 100.0 (33.3) |
50–70 | N (%) | 97.0 (32.7) |
80–100 | N (%) | 103.0 (34.3) |
Fracture within 12 months | N (%) | 34.0 (11.3) |