Skip to main content

Table 5 Clinical recovery of the final follow-up

From: Pretic-I was a safe and effective artificial cervical disc prosthesis--a retrospective and comparative study with 5-year follow-up

Items

Groups

Pre-operative

Final Follow-up

Recovery Rate

P Value

Statistical Power

VAS-neck

Discover (n = 32)

3.91 ± 1.94

0.22 ± 0.41

94.22 ± 12.05%

<0.0001

100.00%

Pretic-I (n = 32)

3.88 ± 1.83

0.19 ± 0.39

96.53 ± 7.56%

<0.0001

100.00%

VAS-arm

Discover (n = 32)

5.78 ± 1.83

0.41 ± 0.55

92.02 ± 11.98%

<0.0001

100.00%

Pretic-I (n = 32)

5.59 ± 2.26

0.38 ± 0.48

92.83 ± 11.10%

<0.0001

100.00%

NDI

Discover (n = 32)

24.56 ± 9.53

5.63 ± 2.46

76.07 ± 8.48%

<0.0001

100.00%

Pretic-I (n = 32)

23.16 ± 8.96

5.38 ± 2.38

75.97 ± 8.74%

<0.0001

100.00%

JOA

Discover (n = 21)

8.14 ± 1.61

16.29 ± 0.76

91.24 ± 10.17%

<0.0001

100.00%

Pretic-I (n = 26)

8.58 ± 1.71

16.04 ± 0.81

87.50 ± 13.32%

<0.0001

100.00%

  1. VAS Visual analog score, NDI Neck disability index, JOA Japanese Orthopaedic Association score