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Table 1 Rankings of validity studies per QUADAS scores

From: Review of methods used by chiropractors to determine the site for applying manipulation

Article ID Percentile Rank Article ID Percentile Rank
Abbott_2003 78 19 King_2007 77 20
Abbott_2005 92 6 Knutson_2002 77 21
Abbott_2006 100 1 Landel_2008 90 8
Beattie_1990 83 14 Laslet_2003 73 28
Bierma-Zeinstra_2001 90 8 Laslet_2005 94 2
Brismee_2006 41 40 Leach_1993 91 7
Bryner_1994 64 31 Lebeouf_1990 75 26
Caruso_2000 27 44 Leboeuf-Yde_2000 93 3
Chafetz_1988 76 24 Leboeuf-Yde_2002 100 1
Chakraverty_2007 85 10 Lehman_2002 77 23
Cibulka 1999 35 41 Levangie_1999 92 5
Cooperstein_2003 59 35 McCulloch_1993 100 1
Cooperstein_2004 84 11 Montgomery_1995 55 37
Dankaerts_2006 78 18 Nansel_1988 64 32
Diakow_1988 48 38 Ogince_2007 78 17
Erikson_1996 32 43 Osterbauer_1996 33 42
Fernandez-de-las-Pinas _2005 57 36 Peterson_2008 77 22
Fortin_1997 45 39 Petrone_2003 93 4
Fritz_2011 83 12 Phillips_1996 100 1
Fryer_2010 69 29 Pollard_2006 84 11
Haas&Peterson_1992 75 25 Roy_2008 87 9
Harlick_2007 79 16 Sandmark_1995 90 8
Harrison_1998 64 33 Taylor_1990 83 13
Harrison_2003 92 5 Viitanen_2000 83 12
Harrison_2004 62 34 Yamashita_2002 67 30
Humphreys_2004 84 11 Zaproudina_2006 74 27
Imoto_2007 83 15    
Jende_1997 92 6    
Jull_1988 100 1    
  1. Summary scores (not shown) were generated using weightings of QUADAS checklist items, where weights of individual items were based on the inverse of their prevalence within this cohort of articles. Subsequently, articles were ranked according to their normalized (Percentile) score and their relative position (Rank) within this cohort of articles.