Table 2. Biochemical parameters of the patient at the time of admission.

Parameter	Reference range	Day 1	Day 5
Anti-ds DNA antibody, IU/mL	<30.00	533.77 (positive)	-
C-reactive protein, mg/dL	<0.50	16.00	-
Serum protein, g/dL	6.0-8.3	5.6	6.5
Serum albumin, g/dL	3.8-5.5	2.6	3.3
Serum urea, mg/dL	13-43	42	-
Serum creatinine, mg/dL	0.6-1.2	1.1	1.6
Serum bilirubin (total), mg/dL	0-1.2	0.6	0.6
Serum bilirubin (direct), mg/dL	0-0.2	0.2	0.2
Serum bilirubin (indirect), mg/dL	0.2-0.7	0.4	0.4
Serum sodium, meq/L	137-150	141.8	152
Serum potassium, meq/L	3.5-5.3	4.33	4.1
Serum calcium, meq/L	4.5-5.5	4.88	5.20