Table 1.

Inpatient Laboratory Values

	Admission	POD0	POD1	POD2
Hematocrit, %	30.9		31.5	30.4
Sodium, mmol/L	139	140	138	136
Potassium, mmol/L	4.0	4.0	3.8	4.7
Chloride, mmol/L	102	111	107	112
Serum CO2, mmol/L	27		14	<5
Urea nitrogen, mg/dL	18		8	17
Creatinine, mg/dL	0.57		0.42	0.48
Calcium, mg/dL	9.1		8.1	8.2
Albumin, g/dL				4.4
Glucose, mg/dL	146	133-164	149	160-167
Anion gap	10		17	27
pH		7.36	7.01	7.30
Pco2, mm Hg		38.2	11.5	12.3
Lactate, mmol/L			1.0
β-hydroxybutyrate, mmol			7.7	3.5

Note: Conversion factors for units: creatinine in mg/dL to μmol/L, ×88.4; calcium in mg/dL to mmol/L, ×0.2495; lactate in mmol/L to mg/dL, ×9.01; glucose in mg/dL to mmol/L, ×0.05551; urea nitrogen in mg/dL to mmol/L, ×0.357.

Abbreviations: CO₂, carbon dioxide; POD, postoperative day.