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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

%

Sex

Male

30

60.0%

Female

20

40.0%

Age (years)

20–29

7

14%

30–39

15

30.0%

40–49

17

34.0%

50–60

11

22.0%

Current Smoker

Yes

15

30.0%

No

35

70.0%

BMI

<  18.5

0

0.0%

18.5–24.9

20

40.9%

25–29.9

21

42.0%

30–34.9

9

18.0%

>  40

0

0.0%

ASA

1

14

28.0%

2

33

66.0%

3

3

6.0%

4

0

0.0%

5

0

0.0%

Surgical Levels

L4/L5

17

34.0%

L5/S1

31

62.0%

L4-S1

1

2.0%

L4/L5 TDA & L5/S1 Fusion

1

2.0%

Length of Stay (LOS)

<  23

10

20

24–36

29

58

37–48

10

20

48–72

0

0.0

>  72

1

2.0