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