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Table 2 Patient Demographics

From: Improving blood product utilization at an ambulatory surgery center: a retrospective cohort study on 50 patients with lumbar disc replacement

  n%
SexMale3060.0%
Female2040.0%
Age (years)20–29714%
30–391530.0%
40–491734.0%
50–601122.0%
Current SmokerYes1530.0%
No3570.0%
BMI<  18.500.0%
18.5–24.92040.9%
25–29.92142.0%
30–34.9918.0%
>  4000.0%
ASA11428.0%
23366.0%
336.0%
400.0%
500.0%
Surgical LevelsL4/L51734.0%
L5/S13162.0%
L4-S112.0%
L4/L5 TDA & L5/S1 Fusion12.0%
Length of Stay (LOS)<  231020
24–362958
37–481020
48–7200.0
>  7212.0