Univariate analysis
|
Continuous improvement
|
Non-continuous improvement
|
P-value
|
Patients number
|
71
|
88
| |
Age (years)
|
75.5 ± 10.1
|
73.2 ± 8.5
|
0.125
|
BMI (kg/m2)
|
22.6 ± 3.5
|
23.5 ± 2.9
|
0.382
|
Hypertension
|
27 (38.0 %)
|
32 (36.4 %)
|
0.829
|
Diabetes
|
14 (19.7 %)
|
20 (22.7 %)
|
0.645
|
Initial BMD (T-score)
|
-3.76 ± 0.72
|
-3.74 ± 0.52
|
0.869
|
Symptomatic LSS
|
23 (32.4 %)
|
53 (60.2 %)
|
0.000
|
Multivariate analysis
|
Odds ratio
|
95 % Confidence interval
|
P
-value
|
Symptomatic LSS
|
0.316
|
0.164–0.609
|
0.001
|
- BMD bone mineral density, BMI body mass index, LSS lumbar spinal stenosis