Adequate Type of Funding Adequate allocation Adequate sample No. of Year Authors Journal interventi No. of patients Source concealment blinding size patients ons calculation N>10 Industry Public Not specific Medical Surgical Rehabilitation Others N≤100 0 2010 Bishop[1] Sipne J 1 1 1 1 0 0 1 92 Fransen[2 2010 ] Sipne J 1 1 1 0 1 1 0 20 2010 Haas[3] Sipne J 1 1 1 1 1 0 1 80 Abbott, 2010 A. D.[4] spine 1 1 1 1 1 1 1 107 Albaladej 2010 o, C.[5] spine 1 1 1 1 1 1 1 348 Choi, S. 2010 J.[6] spine 1 1 0 0 0 1 54 Delawi, 2010 D.[7] spine 1 1 1 1 1 1 0 36 Dufour, 2010 N.[8] spine 1 1 1 1 1 1 1 286 Evans, D. 2010 W.[9] spine 1 1 1 1 1 1 1 1758 Grottkau[ 2010 10] spine 1 1 1 0 0 1 0 25 Henchoz, 2010 Y.[11] spine 1 1 0 0 0 0 105 Makki, 2010 D.[12] spine 1 1 0 0 0 0 57 Pool, J. J. 2010 [13] spine 1 1 1 1 1 1 1 146 Rousing, 2010 R.[14] spine 1 1 1 0 0 0 0 50 Shirado, 2010 O.[15] spine 1 1 1 0 0 0 201 Skljarevs 2010 ki[16] spine 1 1 1 0 0 0 0 236 Wei, F. 2010 X.[17] spine 1 1 0 0 0 0 85 Xin, W. 2010 [18] spine 1 1 1 0 0 0 0 163 2010 Yilmaz, spine 1 1 0 0 0 0 45 C.[19] Andersen Eur 2010 [20] Spine J 1 1 1 0 0 1 0 80 Bahari[21 Eur 2010 ] Spine J 1 1 1 0 1 0 0 100 Cesaroni[ Eur 2010 22] Spine J 1 1 1 0 1 0 1 115 Farrokhi[ Eur 2010 23] Spine J 1 1 1 0 0 0 0 80 Eur 2010 Lian[24] Spine J 1 1 1 0 0 0 110 Lofgren[ Eur 2010 25] Spine J 1 1 1 0 0 0 0 80 Mannion[ Eur 2010 26] Spine J 1 1 1 0 0 0 0 159 Putzier[2 Eur 2010 7] Spine J 1 1 1 0 0 1 60 Eur 2010 Teli[28] Spine J 1 1 1 0 0 0 1 240 Bronfort, The 2011 G.[29] spine J 1 1 1 1 1 1 1 301 Froholdt, The 2011 A.[30] spine J 1 1 1 0 0 0 0 124 Lee, J. H. The 2011 [31] spine J 1 1 1 1 1 0 0 150 2011 Cao[32] Sipne J 1 1 1 0 0 1 0 120 Manchika 2011 nti[33] Spine 1 1 1 1 1 1 120 McGrego 2011 r[34] Spine 1 1 1 1 1 1 1 105 Ohtori, S. 2011 [35] spine 1 1 0 0 0 0 80 Petersen, 2011 T.[36] spine 1 1 1 1 1 1 1 350 Rendant, 2011 D.[37] spine 1 1 1 0 0 0 0 122 Rhyne, 2011 A. L.[38] spine 1 1 1 1 1 1 0 352 2011 Roche- spine 1 1 1 0 0 0 1 132 Lebouche [39] Senna, M. K. 2011 [40] spine 1 1 1 1 1 0 60 Tsutsumi moto, T. 2011 [41] spine 1 1 0 0 1 1 40 Auerbach 2011 [42] spine 1 1 0 1 0 0 187 Cameron[ 2011 43] spine 1 1 1 1 1 1 1 124 Chen, L. 2011 [44] spine 1 1 0 0 0 0 102 Chen, 2011 Zhi[45] spine 1 1 1 0 0 0 49 Engbert, 2011 K.[46] spine 1 1 1 1 0 0 28 Gornet, 2011 M. F.[47] spine 1 1 1 1 1 1 0 577 Gustavss 2011 on[48] spine 1 1 1 1 1 0 1 156 Hermans en, A. 2011 [49] spine 1 1 1 0 0 0 0 103 Jensen, 2011 C.[50] spine 1 1 1 1 1 1 0 351 Kelly, M. 2011 P.[51] spine 1 1 1 0 0 0 0 199 Kim, J. 2011 C.[52] spine 1 1 1 1 1 1 84 Kim, K. 2011 D.[53] spine 1 1 1 1 1 1 0 158 Kovacs, 2011 F.[54] spine 1 1 1 1 1 0 1 497 Lee, S. H. 2011 [55] spine 1 1 0 0 0 0 50 Aalto, T. Eur 2011 J.[56] spine J 1 1 1 1 0 0 0 102 Jiya, T. Eur 2011 U.[57] spine J 1 1 1 0 0 0 0 26 Kadanka, Eur 2011 Z.[58] spine J 1 1 1 0 0 0 0 64 Nabhan, Eur 2011 A.[59] spine J 1 1 1 1 0 0 0 20 Ohtori, Eur 2011 S[60] spine J 1 1 1 0 0 0 0 82 Slatis, Eur 2011 P[61] spine J 1 1 1 1 1 0 1 94 Sun, Q. Eur 2011 [62] spine J 1 1 1 1 0 0 0 56 Eur 2011 Su[63] spine J 1 1 1 1 0 0 0 20 Arts, M. Eur 2011 [64] Spine J 1 1 1 1 1 1 0 216 Eur 2011 Hides[65] Spine J 1 1 1 0 1 1 0 831 Mattila[6 Eur 2011 6] Spine J 1 1 1 1 1 1 228 Sys, J. Eur 2011 [67] spine J 1 1 1 0 0 0 0 40 Guilfoyle The 2012 , M.[68] spine J 1 1 1 1 1 0 60 Xue, H. The 2012 [69] spine J 1 1 1 1 0 0 0 80 McGrego 2012 r[70] Spine 1 1 1 1 0 0 0 338 Miller, D. 2012 J.[71] spine 1 1 1 1 0 0 0 21 Oestergaa 2012 rd[72] spine 1 1 1 1 1 0 0 290 Ohtori, S. 2012 [73] spine 1 1 0 0 0 0 41 Ringel, F. 2012 [74] spine 1 1 0 0 0 1 298 Vasseljen 2012 , O.[75] spine 1 1 1 1 1 1 1 109 Zhang, X. 2012 [76] spine 1 1 1 1 1 0 1 120 Albert, 2011 H. B.[77] spine 1 1 1 1 1 0 1 181 2012 Apeldoor spine 1 1 1 1 1 0 1 156 n[78] Burgher[ 2011 79] spine 1 1 1 1 1 1 1 33 Casserley -Feeney, 2012 S. N.[80] spine 1 1 1 1 0 0 1 160 Chaput, 2012 C. D.[81] spine 1 1 1 1 1 0 0 80 Dromzee, 2012 E.[82] spine 1 1 1 0 0 0 56 Du Bois, 2012 M.[83] spine 1 1 1 0 0 1 506 Evans, R. 2012 [84] spine 1 1 1 1 0 1 270 Hiller, A. 2012 [85] spine 1 1 1 1 1 1 1 36 Kang, J. 2012 [86] spine 1 1 1 0 0 0 0 46 Hellum, Eur 2012 C[87] spine J 1 1 1 0 0 0 0 154 Knobe, Eur 2012 M[88] spine J 1 1 1 0 0 0 0 292 Monticon Eur 2012 e, M.[89] spine J 1 1 1 1 1 1 1 80 Oestergaa rd, L. G. Eur 2012 [90] spine J 1 1 1 1 1 1 0 87 1=Positive and 0=Negative

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