|
Table 1: Demographic and clinical characteristics (N = 59). |
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|
Variable |
Category |
n (%) |
|
Age (years) |
18-30 |
3 (5.1) |
|
31-40 |
3 (5.1) |
|
|
41-50 |
8 (13.6) |
|
|
51-60 |
13 (22.0) |
|
|
61-70 |
23 (39.0) |
|
|
71-80 |
9 (15.3) |
|
|
Sex |
Male |
23 (39.0) |
|
Female |
36 (61.0) |
|
|
BMI category (kg/m2) |
Normal (18.5-24.9) |
16 (27.1) |
|
Overweight (25.0-29.9) |
29 (49.2) |
|
|
Obese (≥ 30.0) |
14 (23.7) |
|
|
Preoperative pain duration (months) |
< 3 |
2 (3.4) |
|
3-6 |
5 (8.5) |
|
|
6-9 |
31 (52.5) |
|
|
9-12 |
21 (35.6) |
|
|
Preoperative pain intensity (VAS) |
Moderate (4-6) |
5 (8.5) |
|
Severe (≥ 7) |
54 (91.5) |
|
|
Postoperative complications |
Arachnoiditis |
8 (13.6) |
|
Epidural fibrosis |
36 (61.0) |
|
|
FBSS diagnosis |
Present |
35 (59.3) |
|
Absent |
24 (40.7) |
|
|
BMI = body mass index. FBSS = failed back surgery syndrome. |
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