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. 2019 Sep 3;11:8135–8144. doi: 10.2147/CMAR.S218179

Table 4.

Differences in Po-Ca and ΔCa between mild and severe decline of serum Mg group

Variable ΔMg <0.17 ΔMg ≥0.17 P
Mean±SD/median (quartile)/(frequency/%) Mean±SD/median (quartile)/(frequency/%)
Pre-Ca/mmol·L−1 2.35±0.10 2.3328±0.09 0.09
Pre-PTH/pg·mL−1 46.2 (33.45, 59.53) 40.41 (32.02, 53.88) 0.06
Po-PTH/pg·mL−1 15.90 (7.50, 24.90) 11.10 (6.10, 24.00) 0.12
ΔPTH 25.96 (17.52, 40.58) 25.76 (12.19, 41.37) 0.31
Po-Ca/mmol·L−1 2.09 (2.00, 2.17) 1.98 (1.90, 2.05) <0.001
ΔCa 0.28 (0.17, 0.36) 0.36 (0.26, 0.43) <0.001
Sex 24 (49.01) 77 (50.99) 0.35
Extent of surgery 84 (50.61) 82 (49.39) 0.39

Abbreviations: ΔMg, Pre-Mg – Po-Mg; ΔPTH, Pre-PTH – Po-PTH; ΔCa, Pre-Ca – Po-Ca.