Achilles and patellar tendinopathy loading programs: A systematic review comparing clinical outcomes and identifying potential mechanisms for effectiveness
Peter Malliaras, Christian J Barton, Neil D Reeves, Henning Langberg
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Online Resource Table. Quality assessment for the included studies
Population / Intervention / Effect size / Data presentation & analysisStudy / IC
/2 / EC
/2 / Ad. no.
/2 / GC.
/4 / S/D
/4 / CO
/4 / CA
/2 / RO
/4 / BOA
/4 / F/uA
/2 / RD
/2 / DA
/2 / ITT
/2 / SP
/4 / TPS
/40 or
34 / %
Alfredson (1998)[35] / 2 / 1 / 0 / 2 / 3 / 0 / 0 / 3 / 0 / 1 / 0 / 2 / 2 / 3 / 19 / 48
Alfredson (1999)[34] / 2 / 1 / 0 / 1 / 2.5 / 0 / 0 / 3 / 0 / 2 / 0 / 2 / 2 / 2 / 17.5 / 44
Alfredson (2003)[51] / 1 / 0 / 0 / 2 / 3 / NA / 0 / 1 / 0 / 1 / NA / 2 / 2 / 2 / 15 / 41
Bahr (2006)[18] / 2 / 2 / 2 / 4 / 3 / 0 / 0 / 3 / 0 / 2 / 2 / 2 / 2 / 4 / 28 / 70
Cannell (2001)[29] / 1 / 1 / 0 / 2 / 4 / 2 / 0 / 2 / 4 / 1 / 2 / 2 / 2 / 2 / 25 / 63
Croisier (2001)[47] / 1 / 0 / 0 / 2 / 4 / NA / 0 / 3 / 0 / 0 / NA / 2 / 2 / 3 / 17 / 50
de Jonge (2010)[22] / 1 / 2 / 0 / 3 / 3 / 2 / 0 / 4 / 4 / 2 / 2 / 1 / 2 / 2 / 28 / 70
Gardin (2010)[48] / 1 / 0 / 0 / 3 / 2 / NA / 2 / 1 / 0 / 2 / NA / 2 / 2 / 0 / 15 / 44
Jensen (1989)[26] / 1 / 1 / 0 / 1 / 2.5 / 2 / 0 / 3 / 0 / 0 / 1 / 0 / 0 / 2 / 13.5 / 34
Jonsson (2005)[36] / 2 / 2 / 2 / 2 / 2 / 2 / 0 / 4 / 0 / 1 / 1 / 2 / 0 / 4 / 24 / 60
Knobloch (2007)[28] / 1 / 1 / 0 / 3 / 1.5 / 0 / 0 / 2 / 1 / 1 / 1 / 0 / 0 / 2 / 13.5 / 34
Knobloch (2007)[44] / 1 / 1 / 0 / 4 / 1 / NA / 0 / 2 / 0 / 1 / NA / 0 / 0 / 4 / 14 / 41
Kongsgaard (2009)[19] / 1 / 2 / 2 / 4 / 4 / 2 / 0 / 4 / 4 / 2 / 2 / 2 / 0 / 4 / 33 / 83
Kongagaard (2010)[20] / 2 / 1 / 0 / 3 / 4 / NA / 0 / 4 / 4 / 1 / NA / 2 / 2 / 4 / 27 / 79
Langberg (2006)[49] / 1 / 0 / 0 / 3 / 3 / NA / 0 / 1 / 0 / 1 / NA / 2 / 2 / 4 / 17 / 50
Mafi 2001[32] / 1 / 1 / 0 / 2 / 3 / 2 / 0 / 2 / 0 / 1 / 2 / 2 / 2 / 0 / 18 / 45
Niesen-Vertommen (1992)[37] / 1 / 1 / 0 / 2 / 2.5 / 4 / 1 / 3 / 0 / 1 / 1 / 2 / 2 / 2 / 22.5 / 56
Norregaard (2007)[33] / 1 / 2 / 0 / 2 / 3 / 2 / 0 / 2 / 0 / 2 / 2 / 2 / 0 / 4 / 22 / 55
Ohberg (2004)[24] / 1 / 0 / 0 / 2 / 3 / NA / 0 / 1 / 0 / 2 / NA / 2 / 0 / 0 / 11 / 32
Ohberg (2004)[25] / 1 / 1 / 0 / 2 / 0 / NA / 0 / 1 / 0 / 2 / NA / 2 / 0 / 0 / 9 / 26
Paolini (2004)[38] / 1 / 2 / 2 / 2 / 0 / 2 / 0 / 2 / 4 / 2 / 1 / 2 / 0 / 2 / 22 / 55
Peterson (2007)[39] / 2 / 1 / 0 / 4 / 3 / 2 / 0 / 4 / 1 / 2 / 1 / 1 / 0 / 2 / 23 / 58
Purdam (2004)[27] / 2 / 0 / 0 / 1 / 3 / 2 / 0 / 2 / 0 / 1 / 0 / 0 / 0 / 2 / 13 / 33
Romero-Rodriguez (2011)[43] / 0 / 2 / 0 / 2 / 4 / NA / 0 / 4 / 0 / 1 / NA / 2 / 2 / 2 / 19 / 56
Rompe (2007)[21] / 1 / 2 / 2 / 3 / 3 / 2 / 0 / 4 / 4 / 1 / 2 / 2 / 2 / 2 / 30 / 75
Shalabi (2004)[45] / 2 / 0 / 0 / 2 / 3 / NA / 0 / 2 / 0 / 1 / NA / 2 / 2 / 4 / 18 / 53
Silbernagel (2001)[30] / 1 / 1 / 0 / 2 / 3 / 2 / 0 / 4 / 0 / 2 / 2 / 0 / 0 / 3 / 20 / 50
Silbernagel (2007)[23] / 1 / 1 / 2 / 3 / 3 / 2 / 0 / 4 / 4 / 2 / 2 / 0 / 2 / 4 / 30 / 75
Silbernagel (2007)[41] / 0 / 1 / 0 / 3 / 3 / NA / 0 / 4 / 0 / 2 / NA / 1 / 0 / 4 / 18 / 53
Silbernagel (2011)[40] / 0 / 1 / 0 / 3 / 3 / NA / 0 / 4 / 0 / 2 / NA / 2 / 0 / 4 / 19 / 56
Van der Plas (2011)42] / 0 / 0 / 0 / 2 / 2 / NA / 2 / 4 / 0 / 2 / NA / 2 / 0 / 4 / 18 / 53
Visnes (2005)[11] / 2 / 1 / 2 / 4 / 4 / 2 / 0 / 4 / 0 / 2 / 2 / 2 / 0 / 3 / 28 / 70
Young (2005)[31] / 1 / 2 / 0 / 2 / 3 / 2 / 0 / 4 / 1 / 2 / 2 / 2 / 2 / 4 / 27 / 68
Ad. no.=adequate number; BOA=blinded outcome assessment; CA=co-intervention avoided; CO=control group; DA=dropouts accounted for; EC=exclusion criteria; F/uA=follow-up adequate; GC=group characteristics; IC=inclusion criteria; ICC=intraclass correlation coefficient; ITT=intention to treat; NA=not applicable; OM=outcome measures; RD=randomization described; RO=relevant outcome; S/D=standardized and described; SP=statistical procedures; TPS = total possible score.
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