使用以下代码添加新列并正确显示数据。

function add_user_columns_hospital( $column ) {
    $column[\'hospital\'] = \'Hospital\';
    return $column;
}
add_filter( \'manage_users_columns\', \'add_user_columns_hospital\' );

function modify_user_table_row_hospital( $val, $column_name, $user_id ) {
    switch ($column_name) {
        case \'hospital\' :
            return get_the_author_meta( \'user_registration_hospital\', $user_id );
        default:
    }
    return $val;
}
add_filter( \'manage_users_custom_column\', \'new_modify_user_table_row\', 10, 3 );