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Table 2 Micromotions of the prosthesis in the transverse 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

4.65*

4.80

4.48

2.29

0.93

2.25

7.05

Aesculap Spikes

15.85*

15.65

5.85

4.60

1.88

11.03

20.67

  1. aIQR inter-quartile range
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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