My code is as below but it won't work with loading first or last item.
$shipidarr[0] = 100007536;
$shipModel = Mage::getModel('orderstatus/orderstatus')->getCollection();
$shipModel->addFieldToFilter('shipment_incrementid', array(array('like' => $shipidarr[0].'%')))->getLastItem();
Best Answer
try this