Studientyp:
Epidemiologische Studie
(Beobachtungsstudie)
Role of electromagnetic field exposure in childhood acute lymphoblastic leukemia and no impact of urinary alpha-amylase - a case control study in Tehran, Iran
epidem.
[Rolle der elektromagnetischen Feld-Exposition bei akuter lymphatischer Leukämie im Kindesalter und kein Einfluss der alpha-Amylase im Urin - eine Fall-Kontroll-Studie in Teheran, Iran]
Von:
Tabrizi MM, Hosseini SA
Veröffentlicht in: Asian Pac J Cancer Prev 2015; 16 (17): 7613-7618
Ziel der Studie (lt. Autor)
Weitere Details
Anmerkung EMF-Portal: Die Anzahl der Fälle und Kontrollen sowie die Studienergebnisse und ganze Abschnitte dieser Publikation sind identisch mit der Publikation von Tabrizi und Bidgoli 2015. Es ist unklar, ob dies eine Wiederholungsstudie aus derselben Studienpublikation ist oder zwei Studien in unterschiedlichen Städten mit identischen Ergebnissen durchgeführt wurden.
Die Details der Expositions-Abschätzung fehlen in der vorliegenden Publikation. Es ist nicht angegeben, wie 'Wohnen in der Nähe einer Hochspannungsfreileitung' definiert wurde und wie die Exposition bei Hochspannungsfreileitungen in 'ja' und 'nein' eingeteilt wurde.
Endpunkt/Art der Risikoabschätzung
Art der Abschätzung:
(Odds Ratio (OR))
Exposition
Abschätzung
Expositionsgruppen
|
Gruppe
|
Charakteristik
|
|
Referenzgruppe 1
|
pränatale Exposition bei Hochspannungsfreileitungen: nein
|
|
Gruppe 2
|
pränatale Exposition bei Hochspannungsfreileitungen: ja
|
|
Referenzgruppe 3
|
postnatale Exposition bei Hochspannungsfreileitungen: nein
|
|
Gruppe 4
|
postnatale Exposition bei Hochspannungsfreileitungen: ja
|
Population
-
Gruppe:
-
Alter:
0–11 Jahre
-
Beobachtungszeitraum:
nicht angegeben
-
Studienort:
Iran (Teheran)
Fallgruppe
-
Ausschlusskriterien:
Eltern nicht erreichbar, Geburts- und Wohnort außerhalb von Tehran, mittlerer und höherer sozioökonomischer Status
Kontrollgruppe
-
Matching:
- Alter
- 5-Jahre-Altersgruppe
Studiengröße
|
Fälle |
Kontrollen |
| Anzahl auswertbar |
22 |
100 |
Statistische Analysemethode:
- Chi-Quadrat-Test
- t-Test, Cochrane-Mantel-Haenszel-T.
Ergebnisse (lt. Autor)
Einschränkungen (lt. Autor)
Die Ergebnisse beruhen auf geringen Fallzahlen.
Kommentare zu diesem Artikel
-
Dechent D et al.
(2016):
Re: Role of Electromagnetic Field Exposure in Childhood Acute Lymphoblastic Leukemia and No Impact of Urinary Alpha- Amylase - a Case Control Study in Tehran, Iran
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