After eliminating independent variables which would have a p value greater than 0.05 if they were included in the model sex, age, origin, history, surgery, fever, jaundice, pain, cholangitis, abscesses, early complications, delayed complications and definitive diagnoses a predictive model was obtained with just one variable: previous surgery Table 6. Table 6. Absolute and percentage distributions, chi-squared test of independence, p values, odds ratios and 95% CIs of the different clinical variables related to the outcomes of patients with hepatolithiasis.
Después de eliminar las variables independientes cuya inclusión en el modelo se presentará bajo un valor de p mayor de 0,05, sexo, edad, procedencia, los antecedentes, cirugía, fiebre, ictericia, dolor, colangitis, abscesos, complicaciones tempranas, tardías, y diagnóstico definitivo; se obtuvo un modelo predictivo con solo una variable: el antecedente de cirugías previas tabla 6.