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Table 3 Micromotions of the prosthesis in the sagittal axis in µm

From: Primary stability of the Activ L® intervertebral disc prosthesis in cadaver bone and comparison of the keel and spike anchoring concept

Anchoring Type

Mean

Median

IQRa

Std. Deviation

Std. Error of Mean

Lower 95 % CI

Upper 95 % CI

Aesculap Keel

39.97

39.20

24.10

12.79

5.22

26.55

53.39

Aesculap Spikes

45.75

42.95

15.20

7.73

3.16

37.64

53.86

  1. aIQR inter-quartile range
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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