<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE trials [
<!ELEMENT trials (trial+)>

<!ELEMENT trial (main,contacts,countries,criteria,health_condition_code,health_condition_keyword,intervention_code,
          intervention_keyword,primary_outcome,secondary_outcome,secondary_sponsor,secondary_ids,source_support,ethics_reviews)>

<!ELEMENT main (trial_id,utrn?,reg_name,date_registration,primary_sponsor,public_title,acronym?,scientific_title,scientific_acronym?,
          date_enrolment,type_enrolment,target_size,recruitment_status,url?,study_type,study_design,phase,hc_freetext?,i_freetext?,results_actual_enrolment,results_date_completed,results_url_link,results_summary,           results_date_posted,results_date_first_publication,results_baseline_char,results_participant_flow,results_adverse_events,results_outcome_measures,results_url_protocol,results_IPD_plan, results_IPD_description)>
<!ELEMENT trial_id (#PCDATA)>
<!ELEMENT utrn (#PCDATA)>
<!ELEMENT reg_name (#PCDATA)>
<!ELEMENT date_registration (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT primary_sponsor (#PCDATA)>
<!ELEMENT public_title (#PCDATA)>
<!ELEMENT acronym (#PCDATA)>
<!ELEMENT scientific_title (#PCDATA)>
<!ELEMENT scientific_acronym (#PCDATA)>
<!ELEMENT date_enrolment (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT type_enrolment (#PCDATA)>
<!ELEMENT target_size (#PCDATA)>
<!ELEMENT recruitment_status (#PCDATA)><!-- Pending,Recruiting,Suspended,Complete,Other -->
<!ELEMENT url (#PCDATA)>
<!ELEMENT study_type (#PCDATA)><!-- interventional,observational -->
<!ELEMENT study_design (#PCDATA)>
<!ELEMENT phase (#PCDATA)>
<!ELEMENT hc_freetext (#PCDATA)>
<!ELEMENT i_freetext (#PCDATA)>
<!ELEMENT results_actual_enrolment (#PCDATA)>
<!ELEMENT results_date_completed (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT results_url_link (#PCDATA)>
<!ELEMENT results_summary (#PCDATA)>
<!ELEMENT results_date_posted (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT results_date_first_publication (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT results_baseline_char (#PCDATA)>
<!ELEMENT results_participant_flow (#PCDATA)>
<!ELEMENT results_adverse_events (#PCDATA)>
<!ELEMENT results_outcome_measures (#PCDATA)>
<!ELEMENT results_url_protocol (#PCDATA)>
<!ELEMENT results_IPD_plan (#PCDATA)>
<!ELEMENT results_IPD_description (#PCDATA)>


<!ELEMENT contacts (contact+)>
<!ELEMENT contact (type,firstname,middlename,lastname,address,city,country1,zip,telephone,email,affiliation)>
<!ELEMENT type (#PCDATA)><!-- Public,Scientific -->
<!ELEMENT firstname (#PCDATA)>
<!ELEMENT middlename (#PCDATA)>
<!ELEMENT lastname (#PCDATA)>
<!ELEMENT address (#PCDATA)>
<!ELEMENT city (#PCDATA)>
<!ELEMENT country1 (#PCDATA)>
<!ELEMENT zip (#PCDATA)>
<!ELEMENT telephone (#PCDATA)>
<!ELEMENT email (#PCDATA)>
<!ELEMENT affiliation (#PCDATA)>

<!ELEMENT countries (country2+)>
<!ELEMENT country2 (#PCDATA)>

<!ELEMENT criteria (inclusion_criteria,agemin,agemax,gender,exclusion_criteria)>
<!ELEMENT inclusion_criteria (#PCDATA)>
<!ELEMENT agemin (#PCDATA)>
<!ELEMENT agemax (#PCDATA)>
<!ELEMENT gender (#PCDATA)>
<!ELEMENT exclusion_criteria (#PCDATA)>

<!ELEMENT health_condition_code (hc_code+)>
<!ELEMENT hc_code (#PCDATA)>

<!ELEMENT health_condition_keyword (hc_keyword+)>
<!ELEMENT hc_keyword (#PCDATA)>

<!ELEMENT intervention_code (i_code+)>
<!ELEMENT i_code (#PCDATA)>

<!ELEMENT intervention_keyword (i_keyword+)>
<!ELEMENT i_keyword (#PCDATA)>

<!ELEMENT primary_outcome (prim_outcome+)>
<!ELEMENT prim_outcome (#PCDATA)>

<!ELEMENT secondary_outcome (sec_outcome+)>
<!ELEMENT sec_outcome (#PCDATA)>

<!ELEMENT secondary_sponsor (sponsor_name+)>
<!ELEMENT sponsor_name (#PCDATA)>

<!ELEMENT secondary_ids (secondary_id+)>
<!ELEMENT secondary_id (sec_id,issuing_authority)>
<!ELEMENT sec_id (#PCDATA)>
<!ELEMENT issuing_authority (#PCDATA)>

<!ELEMENT source_support (source_name+)>
<!ELEMENT source_name (#PCDATA)>

<!ELEMENT ethics_reviews (ethics_review+)>
<!ELEMENT ethics_review (status,approval_date,contact_name,contact_address,contact_phone,contact_email)>
<!ELEMENT status (#PCDATA)><!-- Not approved,Approved,NA -->
<!ELEMENT approval_date (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT contact_name (#PCDATA)>
<!ELEMENT contact_address (#PCDATA)>
<!ELEMENT contact_phone (#PCDATA)>
<!ELEMENT contact_email (#PCDATA)>
]>
<trials>
  <trial>
    <main>
      <trial_id>IRCT201102185362N2</trial_id>
      <utrn></utrn>
      <reg_name>IRCT</reg_name>
      <date_registration>2012-11-15</date_registration>
      <primary_sponsor>Anesthesiology and Critical Care Research Center, Isfahan University of Medical Sciences, Isfahan, I</primary_sponsor>
      <public_title>A comparison of the Extended Mallampati Score with the ratio of patient's height to thyromental distance, the modified Mallampati and the upper lip bite test in predicting difficulty in endotracheal intubation in patients undergoing general enesthesia</public_title>
      <acronym></acronym>
      <scientific_title>A comparison of the Extended Mallampati Score with the ratio of patient's height to thyromental distance, the modified Mallampati and the upper lip bite test in predicting difficulty in endotracheal intubation in patients undergoing general enesthesia</scientific_title>
      <scientific_acronym></scientific_acronym>
      <date_enrolment>2011-03-21</date_enrolment>
      <type_enrolment>anticipated</type_enrolment>
      <target_size>476</target_size>
      <recruitment_status>Complete</recruitment_status>
      <url>https://irct.ir/trial/5732</url>
      <study_type>interventional</study_type>
      <study_design>Randomization: N/A, Blinding: Double blinded, Placebo: Not used, Assignment: Single, Purpose: Prevention.</study_design>
      <phase>N/A</phase>
      <hc_freetext>intubation.</hc_freetext>
      <i_freetext>different methods for measuring ELV and DLV.</i_freetext>
      <results_actual_enrolment></results_actual_enrolment>
      <results_date_completed></results_date_completed>
      <results_url_link></results_url_link>
      <results_summary></results_summary>
      <results_date_posted></results_date_posted>
      <results_date_first_publication></results_date_first_publication>
      <results_baseline_char></results_baseline_char>
      <results_participant_flow></results_participant_flow>
      <results_adverse_events></results_adverse_events>
      <results_outcome_measures></results_outcome_measures>
      <results_url_protocol></results_url_protocol>
      <results_IPD_plan></results_IPD_plan>
      <results_IPD_description></results_IPD_description>
    </main>
    <contacts>
      <contact>
        <type>public</type>
        <firstname>Mohammadreza Safavi</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>Anesthesiology and Critical Care Research Center, Isfahan University of Medical Sciences, Isfahan, Iran</address>
        <city>Isfahan</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>8174675731</zip>
        <telephone>+98 31162555555</telephone>
        <email>safavi@med.mui.ac.ir</email>
        <affiliation>Anesthesiology and Critical Care Research Center, Isfahan University of Medical Sciences, Isfahan, I</affiliation>
      </contact>
      <contact>
        <type>scientific</type>
        <firstname>Azim Honarmand</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>Anesthesiology and Critical Care Research Center,Isfahan University of Medical Sciences, Isfahan, Iran</address>
        <city>Isfahan</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>8174675731</zip>
        <telephone>+98 31 1273 2659</telephone>
        <email>honarmand@med.mui.ac.ir</email>
        <affiliation>Anesthesiology and Critical Care Research Center,Isfahan University of Medical Sciences, Isfahan, Ir</affiliation>
      </contact>
    </contacts>
    <countries>
      <country2>Iran (Islamic Republic of)</country2>
    </countries>
    <criteria>
      <inclusion_criteria>inclusion crateris : patients who had no previous history of burn or trauma to the airway؛ had no tumors or mass in the laryngeal؛ facial and cervical region؛ had no restricted mobility of the neck and mandible (e.g., rheumatoid arthritis or cervical disk disorders)؛ had ability to sit and open their mouth.</inclusion_criteria>
      <agemin>no limit</agemin>
      <agemax>no limit</agemax>
      <gender>Both</gender>
      <exclusion_criteria></exclusion_criteria>
    </criteria>
    <health_condition_code>
      <hc_code>T88.4</hc_code>
    </health_condition_code>
    <health_condition_keyword>
      <hc_keyword>Intubation, difficult or failed</hc_keyword>
    </health_condition_keyword>
    <intervention_code>
      <i_code>Prevention</i_code>
    </intervention_code>
    <intervention_keyword>
      <i_keyword>different methods for measuring ELV and DLV</i_keyword>
    </intervention_keyword>
    <primary_outcome>
      <prim_outcome>ELV. Timepoint: before intubation. Method of measurement: physical exam.</prim_outcome>
      <prim_outcome>DLV. Timepoint: before intubation. Method of measurement: physical exam.</prim_outcome>
    </primary_outcome>
    <secondary_outcome>
      <sec_outcome>Reduce mortality. Timepoint: after intubation. Method of measurement: physical exam.</sec_outcome>
    </secondary_outcome>
    <secondary_sponsor>
      <sponsor_name></sponsor_name>
    </secondary_sponsor>
    <secondary_ids>
      <secondary_id>
        <sec_id></sec_id>
        <issuing_authority></issuing_authority>
      </secondary_id>
    </secondary_ids>
    <source_support>
      <source_name>Anesthesiology and Critical Care Research Center, Isfahan University of Medical Sciences, Isfahan, I</source_name>
    </source_support>
    <ethics_reviews>
      <ethics_review>
        <status>Approved</status>
        <approval_date>2011-01-30</approval_date>
        <contact_name>Isfahan University of Medical Sciences, Isfahan, Iran</contact_name>
        <contact_address>Isfahan University of Medical Sciences, Isfahan, Iran Isfahan  Iran (Islamic Republic of)</contact_address>
        <contact_phone></contact_phone>
        <contact_email></contact_email>
      </ethics_review>
    </ethics_reviews>
  </trial>
</trials>
