Table 2.

Clinical outcome of spinal tuberculosis patients using anterior or posterior debridement joint bone graft and internal fixation

	Total	Anterior	Posterior	p valuea
Cobb’s angle
Preoperative	6.1 ± 17.5	12.2 ± 16.2	4.6 ± 17.6	0.01
Postoperative	0.6 ± 14.5	2.3 ± 12.9	0.2 ± 14.8	0.41
VAS score
Preoperative				0.0003
0	1 (0.5%)	0	1 (0.7%)
2	9 (4.8%)	0	9 (6.0%)
3	93 (50.0%)	12 (3.4%)	81 (54.4%)
4	16 (8.6%)	2 (5.4%)	14 (9.4%)
5	53 (28.5%)	17 (46.0%)	36 (24.2%)
6	8 (4.3%)	3 (8.1%)	5 (3.4%)
7	6 (3.2%)	3 (8.1%)	3 (2.0%)
Mean	3.8 ± 1.2	4.5 ± 1.3	3.7 ± 1.2	0.0001
Postoperative				0.24
0	84 (45.2%)	12 (32.4%)	72 (48.3%)
1	76 (40.9%)	21 (56.8%)	55 (36.9%)
2	25 (13.4%)	4 (10.8%)	21 (14.1%)
3	0	0	0
4	0	0	0
5	1 (0.5%)	0	1 (0.7%)
Mean	0.7 ± 0.8	0.8 ± 0.6	0.7 ± 0.8	0.42
Frankel score
Preoperative				0.75
A	3 (1.6%)	0	3 (2.0%)
B	7 (3.8%)	1(2.7%)	6 (4.0%)
C	9 (4.8%)	2 (5.4%)	7 (4.7%)
D	65 (35.0%)	10 (27.0%)	55 (36.9%)
E	101 (54.3%)	24 (64.9%)	77 (51.7%)
Postoperative				0.85
A	0	0	0
B	1 (0.5%)	0	1 (0.7%)
C	4 (2.2%)	1 (2.7%)	3 (2.0%)
D	22 (11.8%)	5 (13.5%)	17 (11.4%)
E	159 (85.5%)	31 (83.8%)	128 (85.9%)
Surgery duration (minutes)	221.8 ± 81.8	212.8 ± 72.2	224.0 ± 84.0	0.42
Perioperative blood loss (ml)	743.7 ± 693.7	723.2 ± 544.8	748.7 ± 727.5	0.84
Comorbidity
Yes	45 (24.2%)	11 (29.7%)	34 (22.8%)	0.38
No	141 (75.8%)	26 (70.3%)	115 (77.2%)
Hospitalization (days)	20.5 ± 29.0	19.8 ± 8.2	20.7 ± 32.1	0.87
Fused segment	2.23 ± 0.62	2.22 ± 0.48	2.24 ± 0.66	0.84

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