Table 2.

Blood drawn per test

Test	%	Mean	Standard Deviation
Complete Blood Count (mL)	9.6	14.3	± 8.6
Acid-base (mL)	14.8	21.5	± 13.5
Coagulation tests (mL)	21.7	31.9	± 19.4
Biochemistry (mL)	28.0	41.7	± 24.7
Blood cultures (mL)	6.7	10.9	± 14.0
Procalcitonin test (mL)	1	1.1	± 3.0
Central venous catheterization (mL)	18	16.9	± 13.8