ONLINE SUPPLEMENTARY MATERIAL 2. TABLE showing excluded studies and reasons for exclusion

STUDY / REASON FOR EXCLUSION
1 / Grosso MJ, Berg A, LaRussa S, Murtaugh T, Trofa DP, Geller JA (2016) Silver-Impregnated Occlusive Dressing Reduces Rates of Acute Periprosthetic Joint Infection After Total Joint Arthroplasty. The Journal of arthroplasty. doi:10.1016/j.arth.2016.08.039 / Retrospective study, NOT RANDOMIZED
2 / Karlakki SL, Hamad AK, Whittall C, Graham NM, Banerjee RD, Kuiper JH (2016) Incisional negative pressure wound therapy dressings (iNPWTd) in routine primary hip and knee arthroplasties: A randomised controlled trial. Bone & joint research 5 (8):328-337. doi:10.1302/2046-3758.58.bjr-2016-0022.r1 / Negative Pressure Wound Therapy
3 / Chow J (2016) Wireless Microcurrent-Generating Antimicrobial Wound Dressing in Primary Total Knee Arthroplasty: A Single-Center Experience. Orthopedic reviews 8 (2):6296. doi:10.4081/or.2016.6296 / Retrospective study, NOT RANDOMIZED
4 / Zarghooni K, Bredow J, Siewe J, Deutloff N, Meyer HS, Lohmann C (2015) Is the use of modern versus conventional wound dressings warranted after primary knee and hip arthroplasty? Results of a Prospective Comparative Study. ActaorthopaedicaBelgica 81 (4):768-775 / Retrospective study, NOT RANDOMIZED
5 / Siddiqui M, Bidaye A, Baird E, Abu-Rajab R, Stark A, Jones B, Ingram R, Anthony I (2016) Wound dressing following primary total hip arthroplasty: a prospective randomised controlled trial. Journal of wound care 25 (1):40, 42-45. doi:10.12968/jowc.2016.25.1.40 / Comparator includes Dermabond - a Glue. Not classified as dressing material.
6 / Cooper HJ, Bas MA (2016) Closed-Incision Negative-Pressure Therapy Versus Antimicrobial Dressings After Revision Hip and Knee Surgery: A Comparative Study. The Journal of arthroplasty 31 (5):1047-1052. doi:10.1016/j.arth.2015.11.010 / Negative Pressure Wound Therapy
7 / Bredow J, Oppermann J, Hoffmann K, Hellmich M, Wenk B, Simons M, Eysel P, Zarghooni K (2015) Clinical trial to evaluate the performance of a flexible self-adherent absorbent dressing coated with a soft silicone layer compared to a standard wound dressing after orthopedic or spinal surgery: study protocol for a randomized controlled trial. Trials 16:81. doi:10.1186/s13063-015-0599-z / Study Protocol only
8 / Ene R, Panti Z, Albu E, Ene P, Cirstoiu MM, Cirstoiu FC (2015) Negative Pressure, a "Solution" in the Treatment of Infected Knee Prosthesis? Maedica 10 (1):5-9 / Case series, Negative Pressure Wound Therapy
9 / Ter N, Yavuz M, Aydogdu S, Kaya Bicer E (2015) The effect of 2 adhesive products on skin integrity used for fixation of hip and knee surgical dressings: a randomized controlled trial. Journal of wound, ostomy, and continence nursing : official publication of The Wound, Ostomy and Continence Nurses Society 42 (2):145-150. doi:10.1097/won.0000000000000112 / Comparison of adhesive products. Not classified as dressing materials.
10 / Gillespie BM, Rickard CM, Thalib L, Kang E, Finigan T, Homer A, Lonie G, Pitchford D, Chaboyer W (2015) Use of Negative-Pressure Wound Dressings to Prevent Surgical Site Complications After Primary Hip Arthroplasty: A Pilot RCT. Surgical innovation 22 (5):488-495. doi:10.1177/1553350615573583 / Negative Pressure Wound Therapy
11 / Cai J, Karam JA, Parvizi J, Smith EB, Sharkey PF (2014) Aquacel surgical dressing reduces the rate of acute PJI following total joint arthroplasty: a case-control study. The Journal of arthroplasty 29 (6):1098-1100. doi:10.1016/j.arth.2013.11.012 / Case control study, Not randomized
12 / Marinovic M, Cicvaric T, Grzalja N, Bacic G, Radovic E (2011) Application of wound dressing Molndal technique in clean and potentially contamined postoperative wounds--initial comparative study. Collegium antropologicum 35 Suppl 2:103-106 / Case control study, Not randomized
13 / Pachowsky M, Gusinde J, Klein A, Lehrl S, Schulz-Drost S, Schlechtweg P, Pauser J, Gelse K, Brem MH (2012) Negative pressure wound therapy to prevent seromas and treat surgical incisions after total hip arthroplasty. International orthopaedics 36 (4):719-722. doi:10.1007/s00264-011-1321-8 / Negative Pressure Wound Therapy
14 / Shetty VD (2010) Drywounds matter: the use of occlusive sterile sanitary napkin dressing in hip and knee replacement wounds. International wound journal 7 (5):428-429. doi:10.1111/j.1742-481X.2010.00704.x / Letter to the editor
15 / Collins A (2011) Does the postoperative dressing regime affect wound healing after hip or knee arthroplasty? Journal of wound care 20 (1):11-16. doi:10.12968/jowc.2011.20.1.11 / Review article
16 / Tustanowski J (2009) Effect of dressing choice on outcomes after hip and knee arthroplasty: a literature review. Journal of wound care 18 (11):449-450, 452, 454, passim. doi:10.12968/jowc.2009.18.11.44985 / Review article
17 / Clarke JV, Deakin AH, Dillon JM, Emmerson S, Kinninmonth AW (2009) A prospective clinical audit of a new dressing design for lower limb arthroplasty wounds. Journal of wound care 18 (1):5-8, 10-11. doi:10.12968/jowc.2009.18.1.32128 / Case control study, Not randomized
18 / Bhattacharyya M, Bradley H (2008) A case report of the use of nanocrystalline silver dressing in the management of acute surgical site wound infected with MRSA to prevent cutaneous necrosis following revision surgery. The international journal of lower extremity wounds 7 (1):45-48. doi:10.1177/1534734607302232 / Case report
19 / Gupta SK, Lee S, Moseley LG (2002) Postoperative wound blistering: is there a link with dressing usage? Journal of wound care 11 (7):271-273. doi:10.12968/jowc.2002.11.7.26413 / Case control study, Not randomized
20 / Hahn GJ, Grant D, Bartke C, McCartin J, Carn RM (1999) Wound complications after hip surgery using a tapeless compressive support. Orthopedic nursing 18 (3):43-49 / Case control study, Not randomized
21 / Milne CT, Barrere CC, McLaughlin T, Moore A (1999) Surgical hip dressings: a comparison of taping methods. Orthopedic nursing 18 (3):37-42 / Case control study, Not randomized
22 / Webb JM, Williams D, Ivory JP, Day S, Williamson DM (1998) The use of cold compression dressings after total knee replacement: a randomized controlled trial. Orthopedics 21 (1):59-61 / Comparator is cold compression device, Not a dressing material
23 / Blaylock B, Murray M, O'Connell K, Rex J (1995) Tape injury in the patient with total hip replacement. Orthopedic nursing 14 (3):25-28 / Case control study, Not randomized
24 / Healy WL, Seidman J, Pfeifer BA, Brown DG (1994) Cold compressive dressing after total knee arthroplasty. Clinical orthopaedics and related research (299):143-146 / Comparator is cold compression device, Not a dressing material
25 / Reid BC (1977) Independent dressing following total hip replacement. Patient's approach. Physical therapy 57 (8):923 / Case control study, Not randomized
26 / Ramachandran R., Rampal R., Lim L.A., Bernatt M., Rauf A.Wound dressing in post-operative primary hip and knee arthroplasties: Hydrofibreag dressing versus island film adhesive dressing
Malaysian Orthopaedic Journal 2012 6 SUPPL. A (126) / POSTER
27 / SchiavonePanni A., Cerciello S., VassoM.Aquacel Ag applications in total hip and knee replacement: Preliminary results
Journal of Orthopaedics and Traumatology 2011 12 SUPPL. 1 (S74) / POSTER, Non randomized