Atherosclerotic Extension of Carotid Arteries: An Insertion in Clinical Practice
Table 4
Linear regression analysis for the effect of independent variables on the degree of obstruction for the total sample (general model) and for patients with PAD (PAD model).
Variables
Regression coefficient
Model
95.0% CI for
value
value
2
Dependents
Independent
LI
LS
Degree (general model)
(constant)
1.69
1.47
1.911
<0.001
<0.001
0.104
PAD
0.805
0.494
1.117
<0.001
Degree (general model)
(constant)
-1.237
-2.369
-0.104
0.032
<0.001
0.265
PAD
0.743
0.447
1.04
<0.001
Age (years)
0.033
0.017
0.049
<0.001
Sex
0.428
0.134
0.721
0.004
Tobacco smoking
0.376
0.021
0.73
0.038
T2DM
0.574
0.281
0.866
<0.001
AAA
0.524
0.07
0.978
0.023
Degree (general model)
(constant)
1.855
1.65
2.061
<0.001
<0.001
0.056
Rutherford
0.168
0.077
0.26
<0.001
Degree (general model)
(constant)
-1.168
-2.33
-0.006
0.048
<0.001
0.226
Rutherford
0.152
0.066
0.239
0.001
Age (years)
0.033
0.016
0.049
<0.001
Sex
0.434
0.132
0.736
0.00
Tobacco smoking
0.483
0.125
0.842
0.008
T2DM
0.571
0.271
0.872
<0.001
AAA
0.486
0.019
0.953
0.041
Degree (PAD model)
(constant)
2.637
2.172
3.103
<0.001
0.496
0.004
Rutherford
-0.05
-0.197
0.096
0.498
Degree (PAD model)
(constant)
0.393
-1.339
2.126
0.654
0.005
0.170
Rutherford
-0.052
-0.193
0.089
0.463
Age (years)
0.022
-0.001
0.045
0.062
Sex
0.446
0.02
0.873
0.040
Tobacco smoking
0.231
-0.372
0.834
0.449
T2DM
0.531
0.11
0.952
0.014
Stroke
0.781
0.17
1.392
0.013
AAA
0.392
-0.385
1.17
0.319
: regression coefficient; 95% CI: 95% confidence interval for B; LI: limit inferior; LS: limit superior. p value ≤ 0.05 significant effect of the independent variable by the Wald statistic. † value ≤ 0.05 indicates that the model is significant for predicting the dependent variable. Degree is as follows: 0: normal; 1: C-IMC thickening; 2: atheroma; 3: %; 4: stenosis 50-69%; 5: %; and 6 = occluded). Rutherford is as follows: 0: no COPAD; 1: Rutherford 0 (asymptomatic); 2: Rutherford 1; 3: Rutherford 2; 4: Rutherford 3; 5: Rutherford 4; and 7 = Rutherford 6. Gender (;). Tobacco smoking (;). T2DM. CVA and AAA (,).
