Table 2 Comparison between patients with continuous OPLL and patients with other types of OPLL.

Age, years

69.4 ± 12.1

63.5 ± 12.2

0.27

Sex (Male: Female)

12: 5

151: 71

0.83

Height, cm

163.3 ± 9.5

162.8 ± 9.8

0.71

Body weight, kg

63.3 ± 13.2

69.6 ± 15.5

0.71

Comorbid diabetes mellitus (n, rate)

4 (23.5%)

55 (24.8%)

0.91

Cervical myelopathic JOA score

11.8 ± 3.8

12.3 ± 3.4

0.17

Neck pain

6 (35.3%)

135 (60.8%)*

0.04

Back pain

4 (23.5%)

63 (28.4%)

0.67

Low back pain

5 (29.4%)

123 (55.4%) *

0.03

Cervical spine function

54.1 ± 25.2

66.8 ± 28.6

0.06

Upper extremity function

71.8 ± 22.0

80.7 ± 21.4

0.12

Lower extremity function

62.5 ± 30.7

66.3 ± 30.8

0.64

Bladder function

76.7 ± 22.7

74.3 ± 22.0

0.67

Quality of life

50.2 ± 19.6

49.9 ± 20.0

0.94

Lumbar spine function

74.9 ± 28.2

67.5 ± 31.9

0.31

Social life function

61.6 ± 28.7

55.9 ± 29.5

0.44

Walking ability

72.6 ± 30.0

63.5 ± 35.6

0.24

Body pain

84.8 ± 27.0

69.7 ± 33.9*

0.04

Mental health

42.9 ± 24.1

49.6 ± 19.6

0.27

Neck or shoulder pain or numbness

32.6 ± 36.3

39.3 ± 30.8

0.47

Chest tightness

7.9 ± 17.0

10.4 ± 22.1

0.57

Upper extremity pain or numbness

45.0 ± 38.2

45.1 ± 33.0

0.97

Pain or numbness below the chest

23.6 ± 35.8

38.0 ± 33.8

0.13

Low back pain

15.9 ± 25.3

28.6 ± 29.1

0.06

Pain in lower extremities

7.2 ± 12.5

24.4 ± 30.8***

<0.001

Numbness in lower extremities

14.9 ± 24.9

32.2 ± 34.1*

0.01

Physical Functioning

60.0 ± 32.9

60.7 ± 30.8

0.94

Role Physical

59.0 ± 31.3

57.1 ± 33.0

0.80

Bodily Pain

65.3 ± 23.3

50.6 ± 26.1*

0.02

General Health

48.6 ± 8.7

49.2 ± 8.7

0.79

Vitality

60.3 ± 14.3

56.3 ± 12.9

0.27

Social Functioning

47.8 ± 11.9

51.9 ± 13.0

0.20

Role Emotional

65.1 ± 33.1

64.1 ± 33.5

0.90

Mental Health

60.3 ± 10.7

60.4 ± 11.6

0.97