Table 3. Bivariate linear regression model for the cost of hospitalization of patients undergoing kidney transplantation (n = 81). Paraná, Brazil .

Variables	B	95% confidence interval	P-value
Age	-98,142	-265,610 to 69,326	0.247
Complications during the hospitalization period	11,126,968	6,634,340 to 15,619,595	< 0.001
Surgical complications	2,920,322	-7,725,767 to 13,566,410	0.587
Duration of ischemia in the transplanted organ	-313,480	-607,500 to -19,461	0.037
Length of stay in the hospitalization unit	552,595	265,472 to 839,717	< 0.001
Length of stay in the intensive care unit	1,014,198	818,191 to 1,210,205	< 0.001
Deceased or living donor	4,896,635	-119,156 to 9.912,426	0.056

B = unstandardized coefficient used in the regression model.