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Research Paper|Volume 12, Issue 12|pp. 11287–11295
Serum calcium as a biomarker of clinical severity and prognosis in patients with coronavirus disease 2019
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Figure 4
Figure 4.The survival curves at 28 days after admission of the three groups: Group A (serum calcium values ≤2.0 mmol/L, n =43), Group B (serum calcium values 2.0-2.2 mmol/L, n =137), and Group C (serum calcium values >2.2 mmol/L, n =61) (P <0.001).