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Table 5 Relationship between transfusion and intraoperative bleeding

From: Intraoperative blood loss, postoperative drainage, and recovery in patients undergoing lumbar spinal surgery

Items

No transfusion

Autoblood

Allogeneic blood

Two kinds of way of transfusion

X 2

P value

n = 34

n = 109

n = 20

n = 20

Ages

53.32 ± 9.00

57.08 ± 12.12

58.75 ± 12.52

57.60 ± 7.80

4.100

0.251

Immediate drainage (ml)

50.88 ± 48.95

53.85 ± 57.70

94.25 ± 118.49

42.5 ± 35.08

2.227

0.527

Final drainage (ml)

219.41 ± 145.19

230.55 ± 233.22

317.75 ± 210.52

332.75 ± 365.62

7.610

0.055