jsPDF is generating a single page pdf and removing the other information

$(function () { 
 
  $('#pdf_this').click(function () { 
    var doc = new jsPDF(); 
 
    doc.addHTML($('#print_div')[0], 15, 15, { 
      'background': '#fff', 
    }, function() { 
      doc.save('patient_profile.pdf'); 
    }); 
  }); 
});

<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/> 
 
<script src="https://cdnjs.cloudflare.com/ajax/libs/jspdf/1.3.4/jspdf.debug.js"></script> 
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> 
<div class="container" id="print_div"><button id="print_this" name="print_this" class="btn btn-danger pull-right"><i class="fa fa-print"></i></button><button id="pdf_this" name="print_this" class="btn btn-danger pull-right" style="margin-right: 5px"><i class="fa fa-download"></i></button> 
  <div class='row justify-content-md-center'> 
    <div class='col-sm-8'> 
      <div class='row'> 
        <table class='table table-bordered table-hover table-responsive'> 
        <tr class='bg-info'> 
          <th colspan='6'>A. General Information</th> 
        </tr> 
          <tr> 
            <th>Clinic ID: </th> 
            <td colspan='2'></td> 
            <th>Patient ID: </th> 
            <td><?php echo $_REQUEST['pid'] ?></td> 
          </tr> 
          <tr> 
            <th>Patient Name: </th> 
            <td colspan='2' style='width: 100%'></td> 
            <th>Current Status: </th> 
            <td><?php echo $getInfoResult['patient_status'] ?></td> 
          </tr> 
          <tr> 
            <th>D.O.B: </th> 
            <td colspan='2'><?php echo $getInfoResult['dob'] ?></td> 
            <th>Date Of Registration: </th> 
            <td><?php echo $getInfoResult['registration_date'] ?></td> 
          </tr> 
          <tr> 
            <th>Gender: </th> 
            <td colspan='2'><?php echo $getInfoResult['gender'] ?></td> 
            <th>Phone Number: </th> 
            <td><?php echo $getInfoResult['pphone'] ?></td> 
          </tr> 
          <tr> 
            <th class='bg-info' colspan='6'>B. Status Changed History: </th> 
          </tr> 
          <tr> 
            <th colspan='2'>Status</th> 
            <th colspan='3'>Date Of Change</th> 
          </tr> 
          <?php foreach($statRes as $res) { ?> 
          <tr> 
            <td colspan="2"><?php echo $res['patient_status'] ?></td> 
            <td colspan="3"><?php echo $res['status_date'] ?></td> 
          </tr> 
          <?php } ?> 
          <tr> 
            <th class="bg-info" colspan="6">C. Smoking History: </th> 
          </tr> 
          <tr> 
            <th colspan="2">Answer</th> 
            <th colspan="2">Nbr of Cigarettes/day</th> 
            <th colspan="2">Date Of Answer</th> 
          </tr> 
          <?php foreach($smokingRes as $res2) { ?> 
            <tr> 
              <td colspan="2"><?php echo $res2['patient_smoker'] ?></td> 
              <td colspan="2"><?php echo $res2['smoker_number_of_packets'] ?></td> 
              <td colspan="2"><?php echo $res2['date_of_edit'] ?></td> 
            </tr> 
          <?php } ?> 
          <tr> 
            <th class="bg-info" colspan="6">D. Alcohol History: </th> 
          </tr> 
          <tr> 
            <th colspan="3">Answer</th> 
            <th colspan="3">Date Of Answer</th> 
          </tr> 
          <?php foreach($alcoholRes as $res3) { ?> 
          <tr> 
            <td colspan="3"><?php echo $res3['alcohol'] ?></td> 
            <td colspan="3"><?php echo $res3['date_of_edit'] ?></td> 
          </tr> 
          <?php } ?> 
          <tr> 
            <th class="bg-info" colspan="6">E. Family Diseases History: </th> 
          </tr> 
          <tr> 
            <td colspan="6"><?php echo $familyRes['diagnosis'] ?></td> 
          </tr> 
          <tr class="bg-info" > 
            <th colspan="6" >F. Visits Information (Total of <?php echo $count ?>)</th> 
          </tr> 
          <?php if($count>0) { ?> 
            <tr> 
              <th>Number</th> 
              <th>Date of the visit</th> 
              <th>Weight (Kg)</th> 
              <th>BMI</th> 
              <th>BMI Result</th> 
            </tr> 
          <?php } foreach($visitRes as $res4) { ?> 
            <tr> 
              <td><a href="visit_profile_page.php?pid=<?php echo $res4['patient_id'] ?>&vid=<?php echo $res4['visit_id'] ?>" ><?php echo $count-- ?></a></td> 
              <td><?php echo $res4['date_of_visit'] ?></td> 
              <td><?php if($res4['patient_weight']==0){ echo "N/A";} else { echo $res4['patient_weight']; } ?></td> 
              <td><?php if($res4['patient_weight']==0){ echo "N/A"; $resBmi =0; } else { $heightM = pow(($res4['patient_height']/100), 2); $bmi = ($res4['patient_weight']/$heightM); echo $resBmi = number_format($bmi, 3, '.', ' '); } ?></td> 
              <td><?php if($res4['patient_weight']==0) { echo "N/A"; } if($resBmi ==0){echo "";} if($resBmi>0 && $resBmi<18.5){echo $resCal="Underweight";}  if($resBmi>=18.5 && $resBmi<25){echo $resCal="Normal Weight";} if($resBmi>=25 && $resBmi<=29.9){echo $resCal = "Overweight";} if($resBmi>=30){echo $resCal = "Obese";}  ?></td> 
            </tr> 
          <?php } ?> 
          <tr class="bg-info"> 
            <th colspan="6">G. Previously Identified Diseases by NCD (Total of <?php echo $countDiag ?>)</th> 
          </tr> 
          <tr> 
          <?php foreach($diagRes as $res5) { ?> 
            <tr> 
              <td colspan="2"><?php echo $countDiag-- ?></td> 
              <td colspan="4"><?php echo $res5['diagnosis_name'] ?></td> 
            </tr> 
          <?php } ?> 
          </tr> 
          <tr class="bg-info"> 
            <th colspan="6">H. Patient Previous Medication (Total of <?php echo $countMed ?>)</th> 
          </tr> 
          <?php if($countMed!=0){ ?> 
          <tr> 
            <th colspan="3">Disease</th> 
            <th>Medication</th> 
            <th colspan="2">Side Effect</th>   
          </tr> 
          <?php } ?> 
          <?php foreach($medRes as $res6) { ?> 
            <td colspan="3"><?php echo $res6['disease'] ?></td> 
            <td><?php echo $res6['patient_medication'] ?></td> 
            <td colspan="2"><?php echo $res6['patient_side_effect'] ?></td> 
          <?php } ?> 
          <tr class="bg-info"> 
            <th colspan="6">I. Allergies On Medications (Total of <?php echo $countAllergy ?>)</th> 
          </tr> 
          <?php if($countAllergy!=0){ ?> 
          <tr> 
            <th colspan="2">Medication</th> 
            <th colspan="2">Side Effect</th> 
            <th colspan="2">Extra Information</th> 
          </tr> 
          <?php } foreach($getAllergyHistoryResult as $res7) { ?> 
          <tr> 
            <td colspan="2"><?php echo $res7['patient_allergy_med'] ?></td> 
            <td colspan="2"><?php echo $res7['med_side_effect'] ?></td> 
            <td colspan="2"><?php echo $res7['comment'] ?></td> 
          </tr> 
          <?php } ?> 
          <tr class="bg-info"> 
            <th colspan="6">J. Surgical History (Total of <?php echo $countSurgery ?>)</th> 
          </tr> 
          <?php if($countSurgery!=0){ ?> 
          <tr> 
            <th colspan="2">Surgery</th> 
            <th colspan="2">Date</th> 
            <th colspan="2">Extra Information</th> 
          </tr> 
          <?php } foreach($getSurgeryHistoryResult as $res8) { ?> 
          <tr> 
            <td colspan="2"><?php echo $res8['patient_surgery'] ?></td> 
            <td colspan="2"><?php echo $res8['surgery_date'] ?></td> 
            <td colspan="2"><?php echo $res8['comment'] ?></td> 
          </tr> 
          <?php } ?> 
        </table> 
      </div> 
    <!-- End of class col-sm-6 --> 
    </div>