Table 3. Serum calcium and clinical variables of severity and outcomes.

	Group A (n= 43)	Group B (n= 137)	Group C (n= 61)	P value
Death	10 (23.3%)	0 (0.0%)	0 (0.0%)	<0.001
MODS	14 (32.6%)	3 (2.2%)	0 (0.0%)	<0.001
Septic shock	6 (14.0%)	0 (0.0%)	0 (0.0%)	<0.001
ARDS	15 (34.9%)	3 (2.2%)	1 (1.6%)	<0.001
Liver injury	6 (14.0%)	9 (6.6%)	1 (1.6%)	<0.001
AKI	8 (18.6%)	5 (3.6%)	1 (1.6%)	<0.001
Cardiac injury	7 (16.3%)	5 (3.6%)	0 (0.0%)	<0.001
Need for MV	12 (27.9%)	0 (0.0%)	0 (0.0%)	<0.001
Need for CRRT	7 (16.3%)	0 (0.0%)	0 (0.0%)	<0.001

Group A, the serum calcium values: ≤2.0 mmol/L; Group B, the serum calcium values: 2.0-2.2 mmol/L; Group C, the serum calcium values: >2.2 mmol/L; MODS, multiple organ dysfunction syndrome; ARDS, acute respiratory distress syndrome; AKI, acute kidney injury; MV, mechanical ventilation; CRRT, continuous renal replacement therapy.