diff --git a/load_dataset.py b/load_dataset.py
index 5db8287..7b63ec9 100644
--- a/load_dataset.py
+++ b/load_dataset.py
@@ -104,10 +104,11 @@ def analisis_univariado(dfi, target=None, continuas=[], discretas=[]):
             test_result
         ])
         freq_matrix = freq_table.values
+        percentages_matrix = percentages.values
         tot = freq_matrix[0][1] + freq_matrix[1][1]
         totf = 100 * tot / len(dfi[var])
         resultsmody.append([
-            var, " ", f"{percentages[0][1]:.1f} ({freq_matrix[0][1]}/{len(group1)})", f"{percentages[1][1]:.1f} ({freq_matrix[1][1]}/{len(group2)})"
+            var, " ", f"{percentages_matrix[0][1]:.1f} ({freq_matrix[0][1]}/{len(group1)})", f"{percentages_matrix[1][1]:.1f} ({freq_matrix[1][1]}/{len(group2)})"
             f"{fisher_pval:.3f}", ("*" if fisher_pval < 0.05 else "NS"), f"{totf:.1f} ({tot}/{len(dfi[var])})"
         ])