Drupal 7 theme_table pagination sort

Drupal 7 theme_table  pagination sort

function deductible_menu_page($content = NULL, $arg1 = NULL, $arg2 = NULL){
  /*$tablesort = tablesort_sql($header);
    $result = pager_query($sql . $tablesort, $limit);
    $rows = array();
     // Then you can pass the data to the theme functions
    $output .= theme('table', $header, $rows);
    $output .= theme('pager', NULL, $limit, 0);
    */
   
    $headervariable =  array(
    array('data' => t('Carrier'), 'field' => 'carrier_name', 'sort' => 'asc'),
    array('data' => t('Manufacture'), 'field' => 'manufacture_name', 'sort' => 'asc'),
    array('data' => t('Model'), 'field' => 'model_name', 'sort' => 'asc'),
    array('data' => t('Tier'), 'field' => 'tier_name', 'sort' => 'asc'),
    t('Delete'),t('Update'));
    //$result = db_query("SELECT deductible_id,carrier_name,manufacture_name,model_name,tier_name FROM {drup_deductible}");
    $entries_per_page=3;
    $select = db_select('drup_deductible', 'pv')->extend('PagerDefault')->extend('TableSort');
    $result = $select
    ->fields('pv', array('deductible_id','carrier_name', 'manufacture_name', 'model_name', 'tier_name'))
    ->limit($entries_per_page)
    ->orderByHeader($headervariable)
    ->execute();
   
    $listitems=array();
    $bigitems = array();
    foreach ($result as $item) {
        watchdog('Deductibe', 'hi', array(), WATCHDOG_DEBUG);
        $listitems=array($item->carrier_name,
        $item->manufacture_name,
        $item->model_name,
        $item->tier_name,
        l('Delete','deductible/deductible/delete/'.$item->deductible_id),
        l('Update','deductible/deductible/update/'.$item->deductible_id)
        );
        $bigitems[]=$listitems;
    }

    //   return print_r($bigitems);
    if (count($listitems) == 0)
    $make[] = array("No Models Entered Yet");
    else{
        watchdog('Deductibe', 'a', array(), WATCHDOG_DEBUG);
    }

    $link_to_add_form = l('Add More Deductible','deductible/add_deductible');
    $variable=array(
             'header' =>  $headervariable,
             'rows'  =>  $bigitems,
             'attributes' => array(),
             'caption' => NULL,
             'colgroups' => NULL,
             'sticky' => NULL,
             'empty' => NULL,
    );
    // return print_r($items);
    $output= '<div id="car">'.theme_table($variable).'<br/>'.$link_to_add_form.'</div>';
    $output .= theme('pager');
    $output .= theme('sort');
    return $output;
   
}