Código PHP:
echo "<TR>";
echo "<td width='30%' BGCOLOR='black'><FONT FACE='verdana' SIZE=3 COLOR='red'<th>Nro.Registro :</th></td>";
echo "<TD><FONT FACE='verdana'SIZE=2 COLOR='green' ><strong>" . $columna['nr']. "</strong></td>";
echo "</TR>";
nr seria la variable a pasar