Table 1.
Comparison of Laboratory Parameters Between COVID-19 Groups Based on Vit D Level
| Laboratory Parameter | Normal Range | Median (IQR) of Vit D Categories | p-values* | ||
|---|---|---|---|---|---|
| Deficiency | Insufficiency | Normal | |||
| Albumin | (3.2–5.2 g/dl) | 3.6 (3.3–3.9) | 3.5 (3.1–3.9) | 3.6 (3.3–3.7) | 0.334 |
| Calcium | (8.4–10.2 mg/dl) | 8.4 (7.85–8.7) | 8.4 (7.95–8.75) | 8.3 (8.1–8.75) | 0.433 |
| Corrected calcium | (8.4−10.2 mg/dl) | 8.6 (8.35–9.05) | 8.8 (8.55–9.25) | 8.7 (8.35–9) | 0.091 |
| Phosphorus | (2.3–4.7 mg/dl) | 3.3 (2.65–4.1) | 3.4 (2.55–3.7) | 3.3 (2.8–3.7) | 0.851 |
| PTH | (4.0–10.0 k/ul) | 8.25 (5.45–13.25) | 9.3 (6.35–10.95) | 5.9 (5–10.7) | 0.294 |
| Hgb | Males (13.0–18.0 g/dl) | 13.2 (11.175–14.6) | 13.1 (12.4–14.725) | 13.8 (12.7–14.9) | 0.7 |
| Females (12.0–16.0 g/dl) | 11.8 (9.7–14.2) | 11.6 (10.8–12.8) | 11.7 (9.8–12.8) | 0.8 | |
| Platelets | (140–450) | 273 (184.5–387.5) | 271 (164–487) | 337 (176.5–505) | 0.7 |
| WBC | (4–11) k/ul | 12.7 (6.45–17.7) | 8.5 (3.9–14.8) | 9 (4.1–15.35) | 0.02 |
| Neutrophil | (2.0–7.5 k/uL) | 9.9 (4.5–13.1) | 6.1 (2.9–10.7) | 7.2 (3.25–11.05) | 0.012 |
| Lymphocyte | (1.0–5.0 k/ul) | 1 (0.6–1.9) | 0.8 (0.6–1.4) | 0.9 (0.6–1.1) | 0.115 |
| BUN | (7–26 mg/dl) | 14 (10–30) | 14 (9–20) | 14 (9–23.5) | 0.703 |
| Creatinine | (0.6–1.2 mg/dl) | 0.9 (0.75–1.5) | 0.8 (0.7–1) | 0.9 (0.75–1.1) | 0.061 |
| Na | (136–146 mEq/L) | 135 (132–138) | 137 (134–140) | 135 (133–138.5) | 0.385 |
| K | (3.5–5.1 mEq/L) | 4.2 (3.7–4.8) | 4.2 (3.8–4.5) | 4.2 (3.9–4.7) | 0.983 |
| Cl | (98–107 mEq/L) | 101 (98–105) | 102 (99–107) | 99 (98–102.5) | 0.025 |
| CO2 | (20–31mEq/L) | 21 (19–24) | 23 (20–25) | 23 (21–25) | 0.036 |
| LDH | (81–234 U/L) | 501 (354.5–677) | 437 (340–576) | 497 (372.5–616.5) | 0.381 |
| ESR | (0–20 mm/hour) | 62 (34.5–81) | 70 (51–102) | 85.5 (55–104) | 0.006 |
| CRP | (0.1–0.5 mg/dl) | 10.8 (4.2–19.25) | 9.9 (6.3–16.9) | 12.65 (8.9–19) | 0.354 |
| D-Dimer | ≤0.5 ug/mL | 1.1 (0.7–2.5) | 1.2 (0.8–2.1) | 1 (0.6–1.4) | 0.454 |
| Ferritin | (21.81–274.66 ng/mL) | 616.95 (234–1607.6) | 618 (112–1242) | 453 (222.5–1428.5) | 0.885 |
Note: *p values were calculated by Kruskal–Wallis test.
Abbreviations: WBCs, white blood cells; Hgb, hemoglobin; CO2, carbon dioxide; Cl, chloride; Na, sodium; K, potassium; CRP, C-reactive protein; LDH, lactate dehydrogenase; PTH, parathyroid hormone; ESR, erythrocyte sedimentation rate; IQR, interquartile range; g/dl, grams per deciliter; mg/dl, milligrams per deciliter; k/ul, thousands per cubic milliliter; mEq/L, milliequivalents per liter; U/L, units per liter; mm/hour, millimeters per hour; ng/mL, nanograms per milliliter; n, number.