Skip to main content

Table 1 Comparison of clinical data from medical charts

From: Role of O-C2 angle in the development of dysphagia in patients with halo-vest fixation

Clinical data from medical charts

Non-dysphagia

(n = 28)

Dysphagia

(n = 13)

p value

Age (years)

54.6 ± 20.4

(13 to 78)

69.2 ± 13.02

(49 to 91)

0.044a*

Female/male

12/16

5/8

0.790b

Body mass index (kg/m2)

23.6 ± 4.6

(15.6 to 32.2)

20.9 ± 2.4

(14.7 to 24.0)

0.055a

Wearing duration (days)

57.1 ± 25.9

(14 to 111)

55.5 ± 24.8

(15 to 108)

0.856a

ICU stay (days)

0.21 ± 0.81

(0 to 4)

1.38 ± 2.1

(0 to 6)

0.013c*

Ventilator day (days)

1.0 ± 1.67

(0 to 7)

3.46 ± 6.4

(0 to 20)

0.236c

Tracheostomy (n)

1

2

0.232b

Cervical fusion before halo-vest fixation (n)

8

2

0.308b

Prevertebral soft tissue swelling (n)

9

2

0.231b

Etiology

 Trauma (n)

16

8

0.790b

 OPLL (n)

3

0

0.539 b

 Cervical spondylosis (n)

3

2

0.645 b

 Suppurative spondylitis (n)

2

2

0.579 b

 Other (n)

4

1

1.00 b

Complications

 Hypertension (n)

6

6

0.146 b

 Diabetes (n)

4

3

0.659 b

  1. Values represent mean ± standard deviation (range in parentheses)
  2. OPLL ossification of posterior longitudinal ligament
  3. a Two-tailed t test; b χ2 test; c Mann-Whitney test
  4. * Statistically significant