Angular and watching a filter

index.html

<tbody>
    <tr ng-repeat="report in (reportsFiltered = ( reports | filter:{status:passFailShow} | filter:{site_id:siteFilter} | filter:tagged | filter:dateRangeCheck | filter:search))" ng-class="{danger: report.status == 0}">
        <td ng-bind-html="report.status | passFailFilter "></td>
        <td>{{ report.created }}</td>
        <td>{{ report.test_name }}</td>
        <td><span ng-repeat="tag in report.tags"> {{tag}} </span></td>
        <td>{{ report.user_id }}</td>
        <td><a href="#/reports/{{ report.rid }}">drill down</a></td>
    </tr>
</tbody>
</table>

reportController.js

$scope.$watch('reportsFiltered', function(){

    //do something with the data

}, true);