add conclusion

notebooks/crrt-notebook.ipynb

@@ -2035,6 +2035,13 @@
     "    plt.legend(handles=legend_handle,loc='best')\n",
     "    plt.savefig('crrt_' + str(iid) + '.png')"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Examining the plots, it appears that durations from INPUTEVENTS and PROCEDUREEVENTS_MV are redundant to that in CHARTEVENTS. Furthermore, the durations from CHARTEVENTS appear to better reflect small interruptions due to clotted lines and paused treatment. As a result, we only use the durations from the CHARTEVENTS. The `concepts/durations/crrt-durations.sql` query contains the final duration query which additionally has `itemid` from CareVue. These `itemid` were determined in a similar manner to the above."
+   ]
   }
  ],
  "metadata": {