diff --git a/src/views/trials/trials-panel/reading/dicoms/components/IVUS/QuestionList.vue b/src/views/trials/trials-panel/reading/dicoms/components/IVUS/QuestionList.vue
index 3f831056..3dda718d 100644
--- a/src/views/trials/trials-panel/reading/dicoms/components/IVUS/QuestionList.vue
+++ b/src/views/trials/trials-panel/reading/dicoms/components/IVUS/QuestionList.vue
@@ -81,7 +81,7 @@
                       :render-header="renderHeader"
                     >
                       <template slot-scope="scope">
-                        <span v-if="q.Unit > 0">
+                        <span v-if="q.Unit > 0 && !isNaN(parseFloat(scope.row[q.Id]))">
                           {{ `${scope.row[q.Id]}${$fd('ValueUnit', parseInt(q.Unit))}` }}
                         </span>
                         <span v-else-if="q.DictionaryCode">
diff --git a/src/views/trials/trials-panel/reading/dicoms/components/OCT/QuestionList.vue b/src/views/trials/trials-panel/reading/dicoms/components/OCT/QuestionList.vue
index 2ad9bc88..df3eea42 100644
--- a/src/views/trials/trials-panel/reading/dicoms/components/OCT/QuestionList.vue
+++ b/src/views/trials/trials-panel/reading/dicoms/components/OCT/QuestionList.vue
@@ -81,7 +81,7 @@
                       :render-header="renderHeader"
                     >
                       <template slot-scope="scope">
-                        <span v-if="q.Unit > 0">
+                        <span v-if="q.Unit > 0 && !isNaN(parseFloat(scope.row[q.Id]))">
                           {{ `${scope.row[q.Id]}${$fd('ValueUnit', parseInt(q.Unit))}` }}
                         </span>
                         <span v-else-if="q.DictionaryCode">