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[Comparative study of human cutaneous sensitivity to 2 and 5 international units of the PPD RT 23 tuberculin with Tween 80]. 1992

J Alcaide, and M N Altet, and J Batalla, and P Plans, and J L Taberner, and L Salleras, and M A Romero
Centro de Prevención y Control de la Tuberculosis Dr. Lluis Saye, Barcelona.

BACKGROUND The aim of this study was to know whether the human reaction to the Mantoux test with 5 UT of PPD RT 23 is similar to that achieved with the same test but with 2 UT of the same substance. METHODS A simultaneous double Mantoux test was used at doses of 2 UT and another of 5 UT of the same trade mark of tuberculin PPD RT 23 with Tween 80 in 2,575 individuals. The subjects were distributed into two different groups of different ages, taking into consideration the possible presence of BCG vaccination. RESULTS The doses of 5 UT produced a greater number of tuberculin positive individuals and a greater diameter of induration of reaction than that of the doses of 2 UT in both groups and with significant statistical differences. One hundred ninety-six (7%) subjects were tuberculin positive with 5 UT and negative with 2 UT. CONCLUSIONS The reactions produced by the Mantoux test with 5 and 5 UT PPD RT were different since the two doses are not bioequivalent.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D012680 Sensitivity and Specificity Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed) Specificity,Sensitivity,Specificity and Sensitivity
D014373 Tuberculin A protein extracted from boiled culture of tubercle bacilli (MYCOBACTERIUM TUBERCULOSIS). It is used in the tuberculin skin test (TUBERCULIN TEST) for the diagnosis of tuberculosis infection in asymptomatic persons. PPD,PPD-B,PPD-CG,PPD-F,PPD-L,PPD-S,Purified Protein Derivative of Tuberculin,PPD B,PPD CG,PPD F,PPD L
D014374 Tuberculin Test One of several skin tests to determine past or present tuberculosis infection. A purified protein derivative of the tubercle bacilli, called tuberculin, is introduced into the skin by scratch, puncture, or interdermal injection. Test, Tuberculin,Tests, Tuberculin,Tuberculin Tests

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