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Table 5 Comparison of admission data between maintained and deteriorated walking capacity groups 1 year postoperatively

From: A multicenter study of 1-year mortality and walking capacity after spinal fusion surgery for cervical fracture in elderly patients

 

n

Maintained walking capacity group

(n = 191)

n

Deteriorated walking capacity group

(n = 93)

P

Patient background

 Age, years

 

74.3 ± 6.2

 

74.6 ± 6.4

0.78

 Gender (male / female), n

 

111 / 80

 

64 / 29

0.08

 Height, cm

185

158.4 ± 9.7

85

159.3 ± 9.6

0.36

 Weight, kg

186

55.0 ± 10.0

87

57.5 ± 10.9

0.07

Pre-trauma walking capacity, n

 Independent / T-cane / walker

 

183 / 6 / 2

 

86 / 6 / 1

0.35

Charlson comorbidity index

189

0.5 ± 1.0

89

0.6 ± 0.9

0.20

Blood test data, g /dL

 Albumin

156

3.8 ± 0.5

87

3.6 ± 0.6

 < 0.01*

 Hemoglobin

188

12.9 ± 1.9

84

12.3 ± 1.8

0.02*

Level of fracture, n (%)

 C1‒2

 

71 (37)

 

22 (24)

0.02*

 C3‒5

 

59 (31)

 

41 (44)

0.03*

 C6‒7

 

86 (45)

 

42 (45)

0.98

Facet interlocking, n (%)

 

53 (28)

 

28 (30)

0.68

ASIA Impairment Scale, n (%)

    

 < 0.01*

 A / B / C / D / E

 

0 / 0 / 15 (8) / 57 (30)/ 119 (62)

 

15 (16) / 11 (12) / 25 (27) / 15 (16) / 27 (29)

 

Comorbid major organ injury, n (%)

 

16 (8)

 

14 (15)

0.09

Surgery

 Anterior / Posterior / Combined, n (%)

 

20 (10) / 164 (86) / 7 (4)

 

7 (8) / 84 (90) / 2 (2)

0.56

 Number of fused segments

 

2.1 ± 1.6

 

2.6 ± 1.9

0.01*

 Occipitocervical fusion, n (%)

 

8 (4)

 

7 (8)

0.18

 Surgical bleeding, mL

176

187 ± 220

86

291 ± 363

0.01*

 Surgical time, min

181

168 ± 72

83

176 ± 60

0.25

Walking capacity 1 year postoperatively, n

 Independent / T-cane / walker / inability to walk

 

184 / 6 / 1 / 0

 

0 / 32 / 33 / 28

 
  1. a Data are the mean ± standard deviation unless otherwise shown
  2. b Results for denominator of n = 191 (maintained walking capacity group) or n = 93 (deteriorated walking capacity group), unless otherwise indicated by in the column to the left of each of these group results, respectively
  3. ASIA American Spinal Injury Association
  4. *P < 0.05