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. 2021 Sep 29;74(2):219–225. doi: 10.1007/s12020-021-02882-z

Table 2.

Differences among mineral metabolism biochemical features in COVID-19 patients

Variables p value
VD deficiency VD sufficiency
tCa levels, mmol/L 2.12 (2.05–2.21) 2.18 (2.13–2.28) p = 0.018
Ca2+ levels, mmol/L 1.14 (1.1–1.18) 1.16 (1.12–1.18) p = 0.24
PTH levels, pg/mL 49.1 (39.1–64.8) 41.8 (30.2–63.1) p = 0.1
tCa-hypocalcemic tCa-normocalcemic
VD levels, ng/mL 16.2 (10.9–21.4) 18.5 (13–28.8) p = 0.1
PTH levels, pg/mL 46 (38.6–65.6) 44 (29.2–53.6) p = 0.048
Ca2+-hypocalcemic Ca2+-normocalcemic
VD levels, ng/mL 16.3 (12.8–23) 16.8 (10.8–28.1) p = 0.41
PTH levels, pg/mL 46 (36.7–64.8) 44.1 (26.1–53.2) p = 0.19
Hyperparathyroid Normal PTH
tCa levels, mmol/L 2.05 (1.93–2.17) 2.16 (2.07–2.24) p = 0.017
Ca2+ levels, mmol/L 1.1 (1.09–1.14) 1.16 (1.12–1.18) p = 0.029
VD levels, ng/mL 16.1 (10.3–21.8) 16.5 (13.2–24.1) p = 0.3

P values reported in bold are statistically significant.VD vitamin D, tCa total calcium, Ca2+ ionized calcium, PTH parathyroid hormone