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Table 1 Characteristics and treatment outcomes of patients with TOPLL

From: Treatment for thoracic ossification of posterior longitudinal ligament with posterior circumferential decompression: complications and managements

Patient number

Age (years)

Gender

Type of TOPLL

Involved level

Operation time (h)

Blood loss (ml)

Complications

JOA before surgery

JOA1/RR

JOA2/RR

1

61

M

Local

T4

4

1600

Hemorrhage

4

7/42.86%

8/57.14%

Cerebrospinal fluid leakage

2

49

M

Local

T8

5

2100

Hemorrhage

5

9/66.67%

10/83.33%

3

52

F

Continuous

T1-3

6

4000

Hemorrhage

7

10/75.0%

10/75.0%

Superficial infection

4

55

F

Mixed

T5, T7-8

3.5

1700

Hemorrhage

4

2

5

Intercostal nerve palsy

Neurological deterioration

5

44

M

Mixed

T1-2, T3

4.5

1400

 

3

7/50.0%

8/62.5%

6

67

M

Continuous

T2-5

4

1300

 

3

9/75.0%

9/75.0%

7

48

F

Segmental

T3, T4

3

1200

 

6

9/60.0%

10/80.0%

8

53

F

Continuous

T1-4

4.5

2500

Hemorrhage

5

4

6

Cerebrospinal fluid leakage

Intercostal nerve palsy

Neurological deterioration

9

61

M

Local

T11

3

1200

 

4

9/71.43%

9/71.43%

10

49

F

Segmental

T5, T7

3.5

1400

Intercostal nerve palsy

4

8/57.14%

8/57.14%

11

56

M

Segmental

T2, T3

4.5

1600

Hemorrhage

3

2

2

Neurological deterioration

12

45

F

Continuous

T6-8

5

2300

Hemorrhage

3

7/50.0%

8/62.5%

Cerebrospinal fluid leakage

13

44

M

Local

T2

3

800

 

5

7/33.33%

6/16.67%

14

47

F

Continuous

T8-11

3.5

1300

 

4

8/57.14%

6/28.57%

15

32

M

Mixed

T1, T2-4

3

1000

Cerebrospinal fluid leakage

3

7/50.0%

7/50.0%

Intercostal nerve palsy

16

57

F

Local

T4

3.5

1000

 

6

9/60.0%

9/60.0%

17

47

M

Segmental

T4-6

4.5

1800

Hemorrhage

5

9/66.67%

10/83.33%

Cerebrospinal fluid leakage

18

65

F

Continuous

T1-4

4

1400

 

2

4/22.22%

4/22.22%

19

56

F

Continuous

T2-4

4.5

1900

Hemorrhage

5

9/66.67%

9/66.67%

20

49

M

Segmental

T5-7

4

1600

Hemorrhage

6

9/60.0%

9/60.0%

21

56

F

Local

T3

2.5

900

 

7

10/75.0%

10/75.0%

Mean ± SD

52.1 ± 8.3

   

4.0 ± 0.9

1619 ± 704

 

4.5 ± 1.4

7.4 ± 2.4*/57.73%

7.8 ± 2.2**/60.36%

  1. M male, F female, T thoracic, JOA 1 JOA score at 2 days after the surgery, JOA 2 JOA score at the last follow-up visit, RR recovery rate
  2. *P < 0.001 compared with JOA before surgery