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Table 9 Regression model: mean total cost as dependent variable and types of comorbidity as independent variables

From: Comorbidities and HCV coinfection in the management of HIV+ patients: evidence from the Italian clinical practice

  Mean total cost Entire Sample Mean total cost HIV+ monoinfected patients Mean total cost HIV/HCV coinfected patients
Independent variables Beta Sig. Beta Sig. Beta Sig.
Cardiovascular comorbidities 0.268 0.007 0.156 0.000 0.178 0.001
Neurocognitive impairments −0.124 0.214 −0.029 0.467 −0.016 0.762
HBV infection 0.074 0.123 0.029 0.874 0.092 0.041
Bone events −0.236 0.000 0.545 0.000 −0.036 0.497
Renal impairments −0.112 0.003 −0.113 0.529 −0.010 0.850
Diabetes 0.233 0.000 0.488 0.000 0.449 0.000
R2 0.191 0.620 0.275
Adjusted R2 0.180 0.610 0.259
F value 17.794 67.719 17.243
Δ R2 0.191 0.620 0.275
F (ΔR2) 17.794 67.719 17.243