| |
DDD
|
HNP-No rad.
|
Stenosis
|
HNP-Rad.
| |
|---|
| |
n = 160 (36.9%)
|
n = 68 (15.7%)
|
n = 73 (16.9%)
|
n = 132 (30.5%)
|
Group comparison (p-value)
|
|---|
|
Mean age (yrs.)
|
41.8
|
41.1
|
42.7
|
41.4
|
0.83
|
|
Age range (yrs.)
|
20-65
|
19-65
|
24-61
|
20-62
|
n.a.
|
|
Females (%)
|
66.3
|
52.9
|
54.8
|
58.3
|
0.15
|
|
Occupat. sedentary work (%)
|
29.8
|
31.2
|
26.5
|
31.4
| |
|
Occupat. physical work (%)
|
48.6
|
50.8
|
52.9
|
55.1
| |
|
Occupat. housewife (%)
|
13.9
|
16.4
|
14.7
|
9.3
|
0.59
|
|
Occupat. retired (%)
|
3.5
|
1.6
|
1.5
|
1.7
| |
|
Occupat. unemployed (%)
|
4.2
|
0
|
4.4
|
2.5
| |
|
Work capacity 100% (%)
|
71.2
|
81.8
|
58.2
|
69.5
| |
|
Work capacity 50-90% (%)
|
11.4
|
12.7
|
27.3
|
17.1
|
0.37
|
|
Work capacity 10-40% (%)
|
3.8
|
0
|
3.6
|
1.9
| |
|
Unable to work (%)
|
13.6
|
5.5
|
10.9
|
11.4
| |
|
No preop. medication (%)
|
3.6
|
4.7
|
2.2
|
1.3
| |
|
Preop. NSAIDs (%)
|
66.3
|
67.1
|
67.7
|
70.5
|
0.39
|
|
Preop. opiates (%)
|
30.1
|
28.2
|
30.1
|
28.2
| |
|
L2/3 (%)*
|
1.3
| | |
0.8
| |
|
L3/4 (%)
|
9.7
|
2.9
|
5.6
|
1.5
| |
|
L4/5 (%)
|
47.1
|
39.7
|
45.8
|
48.5
|
0.10
|
|
L5/S1 (%)
|
41.9
|
57.4
|
48.6
|
49.2
| |
- *3 cases, not part of the analysis; n.a. - not analysed
