Skip to main content

Table 3 Study characteristics of included observational studies

From: Immune thrombocytopenic purpura after influenza vaccine administration; a systematic review and meta-analysis

Study

Study Design

Study Period

Country

Type of influenza vaccine

Huang et al. 2013

SCCS

2009–2010

Taiwan

monovalent MF59H adjuvanted vaccine /monovalent inactivated vaccine without adjuvant

Moro et al. 2013

Cohort

2009–2010

Italy

MF59-adjuvanted A/H1N1 influenza vaccine, FocetriaĀ®(Novartis Vaccines & Diagnostics, Siena, Italy)

O’Leary et al. 2011

SCCS

2000–2009

US

TIV

Woo et al. 2011

Cross sectional

1990–2008.

US

Live intranasal trivalent influenza virus

US

Trivalent inactivated influenza virus vaccine (FLU)

Grimaldi-Bensouda et al. 2012

Case control

2008–2011

France

injectable/killed type

Isai et al. 2012

Cross sectional

2009–2010

European union

Adjuvanted (CelturaTM, Fluval PTM, FocetriaTM, PandemrixTM)

Lafaurie et al. 2022

SCCS

2009–2018

France

Influenza vaccine

Huand et al. 2012

Cross sectional

2009–2010

Taiwan

H1N1 Vaccine

Nakayama et al. 2007

Cross sectional

1994:2004

Japan

monovalent inactivated vaccine

Yokomichi et al. 2020

Case control

till 2019

Japan

NR

Clayes et al. 2018.

RCT

2011–2012

Belgium, Czech, Republic, Poland, Spain, United Kingdom

A/H1N1: California/7/2009§ A/H3N2: Victoria/210/2009 B Victoria: Brisbane/60/2008

B Yamagata: Brisbane/3/2007

April 9, 2012 – Dec 12, 2012*

Bangladesh, Dominican Republic, Honduras

A/H1N1: California/7/2009§ A/H3N2: Victoria/210/2009 B Victoria: Brisbane/60/2008

B Yamagata: Hubei-Wujiagang/158/2009

2012–2013

Belgium, Czech Republic, Lebanon, Poland, Spain, Turkey, UK

A/H1N1: Christchurch/16/2010§ A/H3N2: Victoria/361/2011 B Victoria: Brisbane/60/2008

B Yamagata: Hubei-Wujiagang/158/2009

March 7, 2013 – Dec 2, 2013*

Bangladesh, Dominican Republic, Honduras, Philippines, Thailand

A/H1N1: Christchurch/16/2010§ A/H3N2: Victoria/361/2011 B Victoria: Brisbane/60/2008

B Yamagata: Hubei-Wujiagang/158/2009

March 11, 2014 – Dec 31, 2014*

Bangladesh, Dominican Republic, Honduras, India,

Philippines, Thailand

A/H1N1: Christchurch/16/2010§ A/H3N2: Texas/50/2012 B Victoria: Brisbane/60/2008 B Yamagata:

Massachusetts/2/2012

Haber et al. 2015

Cross sectional

2013:2014

United States of America

LAIV4/LAIV3

Villa et al. 2013

Cohort

3 years

Italy

LAIV3