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Table 3 Per-fixation level EBL (estimated blood loss) during the four surgical stages for the three groups.

From: Intraoperative blood loss during different stages of scoliosis surgery: A prospective study

  

Dissection

Screw insertion

Correction

Bone grafting

Total

Group

Levels

EBL

p value

EBL

p value

EBL

p value

EBL

p value

EBL

p value

AIS

12.1

19.6

0.473§

0.579*

31.3

0.028§

0.043*

41.6

0.002§

0.748*

31.3

0.276§

0.64*

123.9

0.008§

0.018*

CP

15

26.2

 

0.498#

59.3

 

0.048#

50.5

 

0.002#

40.5

 

0.245#

176.5

 

0.006#

Paralytic

15.6

27.2

 

0.99α

59.8

 

0.999α

86

 

0.013α

47.7

 

0.743α

220.7

 

0.29α

  1. P value suggestive of § ANOVA test. The symbols *, # and α indicate statistical significance of Tuckey's post hoc test between: *-AIS and CP groups, #-AIS and Paralytic groups, and α-CP and Paralytic groups.
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Scoliosis and Spinal Disorders

ISSN: 2397-1789

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