diff --git a/backend/routers/causal_lab.py b/backend/routers/causal_lab.py
index 9407d3c..372b4a1 100644
--- a/backend/routers/causal_lab.py
+++ b/backend/routers/causal_lab.py
@@ -906,14 +906,9 @@ def analyze_event(body: AnalyzeRequest):
                 node_range = cfg.get("range")
                 if node_range and len(node_range) == 2:
                     lo, hi = float(node_range[0]), float(node_range[1])
-                    bound = max(abs(lo), abs(hi))
-                    if bound <= 10:
-                        # Plage type z-score : normalise surprise_pct → [-bound, +bound]
-                        inputs[input_id] = round(max(lo, min(hi, raw / 100 * bound)), 4)
-                    else:
-                        inputs[input_id] = round(max(lo, min(hi, raw)), 4)
+                    inputs[input_id] = round(max(lo, min(hi, raw)), 4)
                 else:
-                    inputs[input_id] = round(raw / 100, 4)  # fractional par défaut
+                    inputs[input_id] = round(raw, 4)
             elif src == "impact_score_scaled" and event.get("impact_score") is not None:
                 inputs[input_id] = float(event["impact_score"]) / 10.0
             elif src == "impact_score_pct" and event.get("impact_score") is not None:
@@ -1239,13 +1234,9 @@ def _run_auto_analysis(event: dict, template_id: int) -> dict:
                     else:
                         if node_range and len(node_range) == 2:
                             lo, hi = float(node_range[0]), float(node_range[1])
-                            bound = max(abs(lo), abs(hi))
-                            if bound <= 10:
-                                inputs[input_id] = round(max(lo, min(hi, raw / 100 * bound)), 4)
-                            else:
-                                inputs[input_id] = round(max(lo, min(hi, raw)), 4)
+                            inputs[input_id] = round(max(lo, min(hi, raw)), 4)
                         else:
-                            inputs[input_id] = round(raw / 100, 4)
+                            inputs[input_id] = round(raw, 4)
 
             elif src == "impact_score_scaled" and event.get("impact_score") is not None:
                 inputs[input_id] = float(event["impact_score"]) / 10.0