| |
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
