Skip to main content

Table 2 Characteristics of patients divided by axial ossification type and sagittal ossification type

From: The influence of ossification morphology on surgery outcomes in patients with thoracic ossification of ligamentum flavum (TOLF)

 

Unilateral

Bilateral

Bridged

P value

Beak

Round

P value

No. of patients

14

18

16

19

29

Sex

       

Male

8

12

9

0.789

10

19

0.372

Female

6

6

7

 

9

10

 

Age, mean ± SD, years

60.5 ± 11.26

56.83 ± 7.12

58.19 ± 9.91

0.552

61.47 ± 7.63

56.31 ± 9.89

0.060

Symptom duration, Q50 (Q25, Q75), month

6.5 (1.875, 36)

10 (2, 36)

6 (2.25, 22.75)

0.719

12 (2, 36)

6 (2, 18)

0.380

Heart disease, no. (%)

4 (28.6)

5 (27.8)

5 (31.3)

1.000

6 (31.6)

8 (27.6)

0.766

Diabetes, no. (%)

2 (14.3)

2 (11.1)

1 (6.3)

0.850

3 (15.8)

2 (6.9)

0.615

Hypertension, no. (%)

6 (42.9)

7 (38.9)

4 (25.0)

0.551

7 (36.8)

10 (34.5)

0.867

Bowel or bladder symptoms, no. (%)

5 (35.7)

9 (50.0)

6 (37.5)

0.659

9 (47.4)

11 (37.9)

0.517

  1. SD standard deviation