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Table 4 Clinical outcome of spinal tuberculosis patients using anterior or posterior debridement joint bone graft and internal fixation by stratification of the vertebra

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

  Vertebra affected
  Lumbar Thoracic
  Anterior Posterior p value a Anterior Posterior p value a
No. of individuals 19 73   18 76  
Cobb’s angle
 Preoperative 8.7 ± 16.6 − 5.6 ± 16.0 0.002 15.9 ± 15.3 14.4 ± 12.7 0.70
 Postoperative − 3.3 ± 13.2 − 10.1 ± 13.8 0.05 8.1 ± 9.7 10.3 ± 6.5 0.25
VAS score
 Preoperative 4.6 ± 1.3 3.8 ± 1.2 0.01 4.4 ± 1.3 3.6 ± 1.2 0.01
 Postoperative 0.6 ± 0.5 0.7 ± 0.7 0.78 0.9 ± 0.7 0.7 ± 0.9 0.22
 Follow-up 0.2 ± 0.4 0.3 ± 0.5 0.55 0.3 ± 0.5 0.2 ± 0.4 0.54
Frankel score
 Preoperative    0.01    0.81
  A 0 0   0 3 (4.0%)  
  B 0 0   1 (5.6%) 6 (7.9%)  
  C 0 1 (1.4%)   2 (11.1%) 6 (7.9%)  
  D 3 (15.8%) 36 (49.3%)   7 (38.9%) 19 (25.0%)  
  E 16 (84.2%) 36 (49.3%)   8 (44.4%) 41 (54.0%)  
 Postoperative    0.58    0.49
  A 0 0   0 0  
  B 0 0   0 1 (1.3%)  
  C 0 0   1 (5.6%) 3 (4.0%)  
  D 0 5 (6.9%)   5 (27.8%) 12 (15.8%)  
  E 19 (100%) 68 (93.1%)   12 (66.7%) 60 (79.0%)  
Surgery duration (minutes) 224.8 ± 70.8 211.6 ± 75.9 0.48 200.1 ± 73.4 236.0 ± 90.0 0.08
Perioperative blood loss (ml) 671.6 ± 458.9 732.3 ± 846.7 0.76 777.8 ± 632.0 764.5 ± 596.3 0.94
Comorbidity
 Yes 6 (31.6%) 14 (19.2%) 0.35 5 (27.8%) 20 (26.3%) 1.00
 No 13 (68.4%) 59 (80.8%) 13 (72.2%) 56 (73.7%)
Hospitalization (days) 18.5 ± 7.5 17.4 ± 8.7 0.61 21.2 ± 8.8 23.8 ± 44.1 0.64
Fused segment 2.16 ± 0.37 2.11 ± 0.40 0.67 2.28 ± 0.57 2.36 ± 0.83 0.70
  1. a T test used to compare continuous variables; chi-square and Fisher’s tests used to compare the categorical variables