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Table 1 Immobilization

From: Evaluation of clinical efficacy and safety of cervical trauma collars: differences in immobilization, effect on jugular venous pressure and patient comfort

   

P-values of comparisons

Collar type

Mean°

Range°

Without

Stifneck

Miami J

Philadelphia

Vista

Without

53 ± 9

45 - 65

     

Stifneck

18 ± 7

12 - 29

< 0.001

    

Miami J

21 ± 10

13 - 38

< 0.001

0.06

   

Philadelphia

22 ± 8

15 - 32

< 0.001

0.01

0.98

  

Vista

25 ± 9

16 - 39

< 0.001

< 0.001

0.004

0.027

-

  1. The mean, standard deviation and range of movement at baseline (without a collar) and with the four different collars tested. Collars in order of decreasing immobilization. P-values of comparisons are shown in the right part of the table.