| |
Total
|
Anterior
|
Posterior
|
p valuea
|
|---|
|
No. of individuals
|
186
|
37
|
149
| |
|
Sex
|
|
Male
|
111 (59.7%)
|
20 (54.1%)
|
91 (61.1%)
|
0.44
|
|
Female
|
75 (40.3%)
|
17 (45.9%)
|
58 (38.9%)
|
|
Age (years)
|
50.0 ± 17.9
|
46.6 ± 17.3
|
50.9 ± 18.0
|
0.19
|
|
Duration of disease (months)
|
12.0 ± 18.4
|
13.2 ± 21.6
|
11.7 ± 17.6
|
0.70
|
|
Vertebra affected
| | | |
0.80
|
|
Lumbar
|
92 (49.5%)
|
19 (51.4%)
|
73 (49%)
| |
|
Thoracic
|
94 (50.5%)
|
18 (48.6%)
|
76 (51%)
| |
|
Chemotherapy duration (days)
|
|
Preoperative
|
14.0 ± 10.9
|
11.9 ± 7.7
|
14.5 ± 11.5
|
0.19
|
|
Postoperative
|
16.5 ± 7.5
|
19.4 ± 9.7
|
15.8 ± 6.7
|
0.01
|
|
Vital status
|
|
Dead
|
2 (1.1%)
|
1 (2.7%)
|
1 (0.7%)
|
0.47
|
|
Alive
|
117 (62.9%)
|
22 (59.5%)
|
95 (63.8%)
|
|
Unknown
|
67 (36.0%)
|
14 (37.8%)
|
53 (35.5%)
|
-
a
T test used to compare continuous variables; chi-square and Fisher’s tests used to compare the categorical variables
