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haematologica | 2019; 104(10)
ERRATA CORRIGE
Recurrent stroke: the role of thrombophilia in a large international pediatric stroke population
Gabrielle deVeber,1* Fenella Kirkham,2,3* Kelsey Shannon,1 Leonardo Brandão,1 Ronald Sträter,4 Gili Kenet,5 Hartmut Clausnizer,6 Mahendranath Moharir,1 Martina Kausch,6 Rand Askalan,1 Daune MacGregor,1 Monika Stoll,7 Antje Torge,6 Nomazulu Dlamini,1 Vijeja Ganesan,2 Mara Prengler,2 Jaspal Singh3 and Ulrike Nowak-Göttl4/6
1The Hospital for Sick Children, Toronto, Canada; 2Developmental Neurosciences Programme, UCL Great Ormond Street Institute of Child Health, London, UK; 3University Hospital Southampton, UK; 4Department of Paediatric Haematology/Oncology, University of Münster, Münster, Germany; 5Pediatric Coagulation Service, National Hemophilia Centre and Institute of Thrombosis and Hemostasis Sheba Medical Center, Tel-Hashomer, Israel; 6Institute of Clinical Chemistry, University Hospital Kiel-Lübeck, Kiel, Germany and 7Department of Genetic Epidemiology, University of Münster, Münster, Germany
*GdeV and FK contributed equally to this work.
doi:10.3324/haematol.2019.234666 ©2019 Ferrata Storti Foundation
In the article pre-published online on January 24, 2019 and published in the paper version of Haematologica [volume 104(8):1676-1681; doi:10.3324/haematol2018.211433] we have to correct:
➢ that recurrent stroke occurred in 160/872 (instead of 160 / 880) children [page 1678, second column, line 6].
➢ the incidence rates of recurrent AIS with respect to the individual exposure time in years given in the abstract (page 1676, lines 16-18) and in the results section (page 1679, paragraph “prothrombotic risk factors”, lines 38-40). As explained in the methods section, we calculated the absolute risk of AIS recurrence as incidence rates per 100 patient-years (%). According to the individual exposure times (years) to antithrombin, lipoprotein (a) and the presence of more than one prothrombotic risk factor the incidence rates calculated per 100 patient-years are presented in the table below.
Type of thrombophilia
Antithrombin deficiency
Elevated lipoprotein(a)
More than one prothrombotic risk factor
CI: Confidence interval; n: number.
Exposure time (years)
2437
1938
2887
Event (n)
7
23
23
Incidence per 100 patient-years % (95% CI)
0.3 (0.1-0.6)
1.2 (0.7-1.7)
0.8 (0.5-1.1)