Serum Levels of TNF-α, IL-12/23p40, and IL-17 in Plaque Psoriasis and Their Correlation with Disease Severity
Table 4
Results of multiple linear regression analysis for PASI.
Variables
Unstandardized coefficients
Standardized coefficients
value
95.0% confidence interval for
Std. error
Beta
Lower bound
Upper bound
(Constant)
6.038
3.544
1.704
0.102
−1.294
13.370
Age
0.339
0.317
1.453
1.073
0.295
−0.315
0.994
Gender
0.523
1.303
0.066
0.402
0.692
−2.171
3.218
Psoriasis onset
−0.265
0.315
−1.281
−0.841
0.409
−0.917
0.387
Duration
−0.483
0.330
−0.917
−1.464
0.157
−1.165
0.199
Family history
−0.150
1.519
−0.016
−0.099
0.922
−3.291
2.992
TNF-
−0.520
0.335
−0.283
−1.552
0.134
−1.212
0.173
IL-12/IL-23p40
0.016
0.012
0.259
1.377
0.182
−0.008
0.041
IL-17
−0.145
0.169
−0.138
−0.859
0.399
−0.495
0.205
Adjusted
Std. error of the estimate
value
Model summary
0.700
0.489
0.312
3.02314
0.027*
Dependent variable: PASI; predictors: (constant), age, gender, age at psoriasis onset, duration, family history, TNF-, IL-12/IL-23p40, and IL-17; *statistically significant.