diff --git a/homeassistant/components/zwave_js/diagnostics.py b/homeassistant/components/zwave_js/diagnostics.py
index 4e1abe37b1b..3372b0eeec0 100644
--- a/homeassistant/components/zwave_js/diagnostics.py
+++ b/homeassistant/components/zwave_js/diagnostics.py
@@ -155,6 +155,8 @@ async def async_get_device_diagnostics(
     node = driver.controller.nodes[node_id]
     entities = get_device_entities(hass, node, device)
     assert client.version
+    node_state = redact_node_state(async_redact_data(node.data, KEYS_TO_REDACT))
+    node_state["statistics"] = node.statistics.data
     return {
         "versionInfo": {
             "driverVersion": client.version.driver_version,
@@ -163,5 +165,5 @@ async def async_get_device_diagnostics(
             "maxSchemaVersion": client.version.max_schema_version,
         },
         "entities": entities,
-        "state": redact_node_state(async_redact_data(node.data, KEYS_TO_REDACT)),
+        "state": node_state,
     }
diff --git a/tests/components/zwave_js/test_diagnostics.py b/tests/components/zwave_js/test_diagnostics.py
index 3fe3bdfeb89..3ac3f32b45a 100644
--- a/tests/components/zwave_js/test_diagnostics.py
+++ b/tests/components/zwave_js/test_diagnostics.py
@@ -92,7 +92,16 @@ async def test_device_diagnostics(
     assert len(diagnostics_data["entities"]) == len(
         list(async_discover_node_values(multisensor_6, device, {device.id: set()}))
     )
-    assert diagnostics_data["state"] == multisensor_6.data
+    assert diagnostics_data["state"] == {
+        **multisensor_6.data,
+        "statistics": {
+            "commandsDroppedRX": 0,
+            "commandsDroppedTX": 0,
+            "commandsRX": 0,
+            "commandsTX": 0,
+            "timeoutResponse": 0,
+        },
+    }
 
 
 async def test_device_diagnostics_error(hass, integration):