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Table 1 Demographic data

From: Radiological and clinical outcomes of cervical disc arthroplasty for the elderly: a comparison with young patients

 

Elderly group (≧65 year-old)

Young group (≤40 year-old)

P value

Case number

n = 24

n = 47

 

Age (years)a

71.2 ± 4.79 (65–80)

33.9 ± 4.45 (23–39)

< 0.001*

Male:Female

13:11

31:16

 

Follow-up (months)a

22.6 ± 22.29

30.8 ± 21.52

0.145

Total levels

40

57

 

 one-level

8

37

 

 two-level

16

10

 

Level distribution

  

0.253

 C3–4

4

2

 

 C4–5

15

16

 

 C5–6

17

35

 

 C6–7

4

4

 

Blood loss (ml)a

171.4 ± 164.75

115.2 ± 131.41

0.178

Operative time (min)a

239.4 ± 81.40

178.6 ± 58.00

0.008*

  1. aValues are presented as mean ± SD (standard deviation)
  2. *p < 0.05;