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Table 3 Clinical outcome of spinal tuberculosis patients using anterior or posterior debridement joint bone graft and internal fixation by stratification of disease duration

From: A posterior versus anterior debridement in combination with bone graft and internal fixation for lumbar and thoracic tuberculosis

 

Tuberculosis duration

 

< 6 months

 

≥ 6 months

 

Anterior

Posterior

p valuea

Anterior

Posterior

p valuea

No. of individuals

20

11

 

17

78

 

Cobb’s angle

 Preoperative

10.1 ± 11.4

4.1 ± 16.2

0.07

14.7 ± 20.5

5.1 ± 18.8

0.09

 Postoperative

− 0.9 ± 12.4

− 0.4 ± 15.1

0.90

6.0 ± 12.8

0.8 ± 14.6

0.20

VAS score

 Preoperative

4.4 ± 1.2

3.4 ± 1.0

0.002

4.8 ± 1.3

4.0 ± 1.2

0.04

 Postoperative

0.7 ± 0.6

0.6 ± 0.8

0.40

0.9 ± 0.6

0.8 ± 0.8

0.61

 Follow-up

0.4 ± 0.5

0.2 ± 0.4

0.43

NA

0.2 ± 0.4

0.20

Frankel score

 Preoperative

  

0.51

  

0.96

  A

0

2 (2.8%)

 

0

1 (1.3%)

 

  B

1 (5.0%)

3 (4.2%)

 

0

1 (1.3%)

 

  C

2 (10.0%)

4 (5.6%)

 

0

3 (3.9%)

 

  D

4 (20.0%)

26 (36.6%)

 

6 (35.3%)

29 (37.2%)

 

  E

13 (65.0%)

36 (50.7%)

 

11 (64.7%)

41 (52.6%)

 

 Postoperative

  

0.66

  

0.78

  A

0

0

 

0

0

 

  B

0

1 (1.4%)

 

0

0

 

  C

1 (5.0%)

1 (1.4%)

 

0

2 (2.6%)

 

  D

3 (15.0%)

10 (14.1%)

 

2 (11.8%)

7 (9.0%)

 

  E

16 (80.0%)

59 (83.1%)

 

15 (88.2%)

69 (88.5%)

 

Surgery duration (minutes)

197.2 ± 62.1

213.8 ± 89.8

0.30

231.1 ± 80.5

233.4 ± 77.8

0.90

Perioperative blood loss (ml)

660.0 ± 446.5

659.3 ± 582.5

1.00

797.6 ± 648.2

830.1 ± 833.5

0.90

Comorbidity

 Yes

7 (35.0%)

17 (23.9%)

0.39

4 (23.5%)

17 (21.8%)

1.00

 No

13 (65.0%)

54 (76.1%)

13 (76.5%)

61 (78.2%)

Hospitalization (days)

23.2 ± 9.6

22.8 ± 44.0

0.97

15.8 ± 3.2

18.7 ± 14.7

0.42

Fused segment

2.09 ± 0.29

2.19 ± 0.62

0.30

2.40 ± 0.63

2.30 ± 0.71

0.60

  1. a T test used to compare continuous variables; chi-square and Fisher’s tests used to compare the categorical variables