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Table 1 Summary of study characteristics

From: Risk of medication overuse headache across classes of treatments for acute migraine

Study Country Diagnosis classification Study setting No. patients No. medication overuse headache
Analgesics Ergots Opioids Triptans
Altieri et al. 2009 [11] Italy ICHD-2 [7] Clinic 27 11 NR NR 4
Ayzenberg et al. 2008 [12] Germany ICHD-2 [7] Clinic 29 14 NR NR 15
Biagianti et al. 2012 [13] Italy ICHD-2 Revised [8] Clinic 52 26 NR NR 20
Boe et al. 2007 [14] Norway ICHD-2 Appendix [7] Clinic 100 20 1 NR 23
Coppola et al. 2010 [15] Italy ICHD-2 Appendix [7] Clinic 29 10 NR NR 9
Cupini et al. 2009 [16] Italy ICHD-2 Appendix [7] Clinic 33 NR 1 NR 4
Di Lorenzo et al. 2009 [17] Italy ICHD-2 [7] Clinic 107 18 NR NR 29
Donnet et al. 2009 [18] France ICHD-2 [7] Population 320 157 25 29 64
Dousset et al. 2013 [19] France ICHD-2 Appendix [7] Clinic 42 8 1 0 9
Galli et al. 2011 [20] Italy ICHD-2Appendix [7] Clinic 82 21 2 3 22
Gambini et al. 2013 [21] Italy ICHD-2 Revised [8] Clinic 63 33 NR NR 21
Gomez-Beldarrain et al. 2011 [22] Spain ICHD-2Revised [8] Clinic 42 25 NR NR 3
Hagen et al. 2009 [23] Norway ICHD-2 Appendix [7] Clinic 56 18 NR 14 17
Jonsson et al. 2011 [6] Sweden ICHD-2 Appendix [7] Population 799 517 7 33 66
Lorenzo et al. 2012 [24] Italy ICHD-2 Appendix [7] Clinic 43 17 NR NR 8
Pageler et al. 2008 [25] Germany ICHD-2 [7] Clinic 20 1 3 NR 5
Perrotta et al. 2010 [26] Italy ICHD-2 [7] Clinic 31 11 NR NR 19
Perrotta et al. 2012 [27] Italy ICHD-2 [7] Clinic 27 4 NR NR 6
Radat et al. 2013 [28] France ICHD-2 [7] Clinic 17 2 NR 2 4
Rainero et al. 2006 [29] Italy ICHD-2 [7] Clinic 18 NR 2 NR 3
Relja et al. 2006 [30] Italy ICHD-2 [7] Clinic 101 38 9 0 12
Rossi et al. 2006 [31] Italy ICHD-2 Revised [8] Clinic 118 63 3 NR 24
Rossi et al. 2011 [32] Italy ICHD-2 Revised [8] Clinic 100 57 1 NR 23
Sances et al. 2010 [33] Italy ICHD2 Revised [8] Clinic 172 42 5 5 50
Sandrini et al. 2011 [34] Italy ICHD-2 Appendix [7] Clinic 56 23 2 NR 20
Terrazzino et al. 2010 [35] Italy ICHD-2 Revised [8] Clinic 227 79 2 1 32
Trucco et al. 2010 [36] Italy ICHD-2Revised [8] Clinic 70 18 0 NR 9
Valguarnera et al. 2010 [37] Italy ICHD2 [7] Clinic 95 20 2 2 30
Zeeberg et al. 2006 [38] Denmark ICHD2 Revised [8] Clinic 216 63 8 12 43