Table 1.
Characteristics and laboratory values of the studied population (mean ± SD or percentage).
| Variables | PPI Group (n = 30) | Controls (n = 36) | p Value |
|---|---|---|---|
| Age (y) | 75.6 ± 9.6 | 63.2 ± 16.4 | <0.001 |
| RBC (×106/mm3) | 4.26 ± 0.52 | 4.86 ± 0.36 | <0.001 |
| Hb (g/dL) | 12.6 ± 1.9 | 13.2 ± 2.3 | 0.28 |
| Mean corpuscolar volume (fL) | 88.8 ± 6.3 | 86.8 ± 1.8 | 0.28 |
| WBC (×103/mm3) | 6.39 ± 2.02 | 7.27 ± 2.25 | 0.99 |
| Iron (μg/dL) | 85.9 ± 22.3 | 83.4 ± 32.3 | 0.71 |
| Ferritin (μg/L) | 170.0 ± 271.0 | 364.5 ± 677.1 | 0.14 |
| Vitamin D (ng/mL) | 15.5 ± 6.8 | 36.6 ± 21.2 | <0.001 |
| Vitamin D deficit | 30 (100%) | 9 (25%) | <0.001 |
| Calcium (mg/dL) | 8.7 ± 2.2 | 9.2 ± 0.4 | 0.25 |
| Magnesium (mg/dL) | 2.09 ± 0.33 | 2.05 ± 0.28 | 0.58 |
| Phosphate (mg/dL) | 3.44 ± 0.60 | 3.98 ± 0.73 | 0.002 |
| Zinc (μg/dL) | 81.2 ± 13.9 | 87.0 ± 12.7 | 0.08 |
| Sodium (mEq/L) | 139.8 ± 3.8 | 141.8 ± 4.6 | 0.05 |
| Potassium (mEq/L) | 4.18 ± 0.47 | 4.49 ± 0.54 | 0.02 |
| Gastrin (pg/mL) | 28.9 ± 37.9 | 39.6 ± 108.5 | 0.61 |
| APCA positivity | 4 (13.3%) | 6 (16.7%) | 0.74 |
| Vitamin B12 (pg/mL) | 441.2 ± 195.5 | 419.4 ± 227.3 | 0.68 |
| Vitamin B12 deficit | 0 (0%) | 4 (11.1%) | 0.12 |
| Folate (ng/mL) | 8.5 ± 3.5 | 8.6 ± 2.9 | 0.92 |
| Folate deficit | 2 (6.7%) | 2 (5.5%) | 1 |
| TSH (mU/L) | 2.08 ± 0.86 | 2.36 ± 0.95 | 0.21 |
| TPO (UI/mL) | 7.09 ± 96.3 | 96.3 ± 346.4 | 0.16 |