Table 1. Patient backgrounds of the zinc deficiency and non-deficiency groups.
| Zinc deficiency (+) | Zinc deficiency (–) | P | |
|---|---|---|---|
| N (%) | 44 (56) | 35 (44) | |
| Sex (male) n (%) | 29 (66) | 20 (57) | 0.43 |
| Age (years) | 72 (63–81) | 69 (57–75) | 0.03 |
| Dialysis history (months) | 68 (23–158) | 125 (41–190) | 0.29 |
| Underlying disease | |||
| Chronic glomerulonephritis n (%) | 23 (52) | 15 (43) | 0.41 |
| Renal sclerosis n (%) | 5 (11) | 4 (11) | 0.99 |
| Polycystic kidney disease n (%) | 6 (13) | 6 (17) | 0.67 |
| Diabetes n (%) | 0 (0) | 0 (0) | |
| Ischemic heart disease n (%) | 11 (25) | 2 (6) | 0.02 |
| Cerebrovascular disease n (%) | 4 (9) | 2 (6) | 0.57 |
| Hypertension n (%) | 34 (77) | 27 (77) | 0.99 |
| Dry weight (kg) | 54.3 (43.2–62.2) | 55.5 (48.0–67.1) | 0.14 |
| Systolic blood pressure(mmHg) | 144(120–153) | 144(129–154) | 0.52 |
| Diastolic blood pressure(mmHg) | 76 (64–83) | 80 (66–90) | 0.13 |
| Smoking n (%) | 1 (2.3) | 4 (11.4) | 0.10 |
| BMI (kg/m2) | 21.7 (191–23.6) | 21.8 (19.8–24.1) | 0.164 |
| BMI≧25kg/m2 n (%) | 3 (6.8) | 5 (14.3) | 0.27 |
| GNRI | 90.6 (83.0–97.0) | 96.2 (91.4–101.1) | 0.001 |
Values are presented as median (interquartile range; IQR) or as n (%)
BMI, body mass index; GNRI, Geriatric Nutritional Risk Index