Código PHP:
while($row = mysql_fetch_array($consulta))
{
echo "<tr align='center'>";
echo " <td><input type='radio' name='opc' value='",$row['nsem'],"'></td>";
echo " <input type='hidden' name='nsem' value='",$row['nsem'],"'>";
echo " <input type='hidden' name='año' value='",$row['año'],"'>";
echo " <td>", $row['NIF'], "</td>";
echo " <td>", $row['nsem'], "</td>";
echo " <td>", $row['año'], "</td>";
echo " <td>", $row['corregido'], "</td></tr>";
}