Study	Reason for exclusion
Ablett 1995	Only double gloving was assessed. No comparison group was included.
Adoumie 1994	A laboratory study, not a clinical study. Outcome was perception of temperature
Albin 1992	Survey of single glove perforations only. Not an RCT
Alwari 2001	Survey of all gloves used over period of time. Not an RCT
Barbosa 2004	Survey of all gloves used over a period of time. Not an RCT
Bebbington 1996	RCT of surgical closure using a surgical assist device
Beck 1994	Discussion paper only
Bennett 1991	Study looks at double gloves only. No comparison group included.
Bennett 1994	Laboratory test of blood inoculation from needles and sutures
Bliss 1992	Randomised controlled trial but compares brand A against brand B. No details are given of the differences between each brand
Botet 1998	RCT of a surgical instrument used during wound closure
Brown 1996	Study looks at glove indicator system only. No comparison group included
Brownson 1990	A laboratory test, not a clinical study.
Calliot 1997	Single versus double gloves but the outcome was electronic alarms rather than perforations
Calliot 1998	Single versus double gloves but the outcome was electronic alarms rather than perforations
Carter 1996	Insufficient randomisation. Study compares two types of single gloves; super sensitive and standard.
Chapman 1993	Investigated double gloves only, no comparison group.
Chen 1998	Laboratory test of various liners.
Chiu 1993	Study looks at double gloves only. No comparison group.
Cohen 1992	Study not randomised.
Cohn 1990	Study not randomised. Outcome compared blood on hands not perforations
Cole 1989	Study not randomised.
Cox 1994	Laboratory test of different brands of testing methods using electronic equipment.
Diaz Boxo 1991	Laboratory test rather than clinical trial
Dirschka 2004	Survey of perforation rate of all gloves used over period of time. Not an RCT
Dodds 1990	Study not randomised.
Driever 2001	Not an RCT ‐ survey of all gloves used over period of time.
Dupre 1999	A letter written in response to an article
Eckersley 1990	Not randomised, surgeons chose which glove to wear.
Eggleston 1997	RCT of surgical trays to reduce glove perforation
Endres 1990	Study looks at double gloves only. No comparison group
Faisal 2004	Survey of all gloves used over set period of time. Not an RCT
Fay 1994	Study looked at perforation indicator gloves only. No comparison group.
Fell 1989	Survey of perforated gloves. Not an RCT
Fischer 1999a	Study looked at perforation indicator gloves only. No comparison group.
Fischer 1999b	Laboratory test, not clinical trial.
Florman 2005	Study of simulated surgery considering the speed of detection of the glove perforation. Perforations were created by laser.
Gerberding 1990	An observational study, not randomised into groups
Godin 1991	Observational study. No randomisation of interventions.
Greco 1995	Study looks at double gloves only. No comparison group.
Herscovici 1998	Laboratory test, not clinical trial.
Hollaus 1999	Study measures double gloves only. No comparison group
Housan 2000	Survey of all gloves used over period of time. Not an RCT
Hwang 1999	Randomised controlled trial which compared four different manufacturers brands of gloves. Perforation rates were only shown in a diagrammatic form.
Jackson 1999	Laboratory testing, not clinical trial
Johanet 1995	Observational study of blood exposure. Not an RCT
Johanet 1996	Observational study of blood exposure. Not an RCT
Johnson 1991	Laboratory test of various gloving methods with contaminated suture needles
Kelly 1993	Laboratory test on cadavers and patients. Not randomised.
Kim 2001	Evaluation of glove wearing compliance following an educational programme.
Konig 1992	Gloves were not randomised into different groups.
Korniewicz 1994	Non clinical test of examination gloves.
Kummer 1992	Laboratory test of liners
Larkin 1993	Not a randomised study. Two surgeons ‐ 1 wore glove group A and the other surgeon wore glove group B
Lavernia 1996	Not a RCT, allocation on a consecutive basis
Lee 2001	An observational study of compliance. Not an RCT
Leslie 1996	Laboratory test, not clinical trial
Liew 1995	RCT . Intervention was one which was not addressed by this review ‐various combinations of standard and orthopaedic gloves.
Logan 2000	Tested 5 different brands of gloves. Divided into groups, not randomised.
Malhotra 2004	Survey of all double gloves used over period of time. Not an RCT
Manson 1995	Study looks at glove indicator system only. No comparison group.
Matta 1988	Study measures double gloves only. No comparison group.
McCue 1981	Only double gloves were tested. No comparison group.
McLeod 1989	Not randomised, surgeons chose which gloves to wear.
Meyer 1996	RCT of surgical closure using different needles
Nelson 1995	Gloves of varying thickness were tested in a laboratory for dexterity
Newsom 1993	Study not randomised.
Newsom 1998	Randomised controlled trial which compared latex free with latex gloves.
Novak 1999	Laboratory test of sensation when wearing double or single gloves.
Novi 1993	Literature review
Panduro 1996	Not randomised.
Patton 1995	Study looks at double gloves only. No comparison group.
Phillips 1979	Non clinical test of dexterity when wearing Kevlar gloves
Plucknet 1992	Measured blood contamination on hand ‐ not perforations. Does not state if it is a randomised study.
Quebbeman 1992	Data from surgeons who did not comply with randomisation were still included in the study
Rogers 2000	Systematic review.
Rose 1994a	Observational study of glove usage. Not an RCT
Rose 1994b	Observational study of glove usage. Not an RCT
Salkin 1995	Laboratory test of glove liners
Savitz 1994	Looked at double gloves only ‐ no comparison group
Schwimmer 1994	Looked at double gloves only ‐ no comparison group
Tokars 1994	Survey not an RCT.
Tokars 1995	Observational study ‐ looked at blood on hands not perforations
Tomichan 2000	Describes using a glove liner to cover the head of an orthopaedic prosthesis during surgery to prevent abrasions.
Twomey 2003	Discussion paper and literature review
Upton 1993	Looked at double gloves only ‐ no comparison group
Vaughan‐Lane 1993	Study measures glove indicator system only. No comparison group
Watts 1994	Laboratory test for dexterity only
Webb 1993	Lab comparison of single versus double gloving for tactile discrimination and dexterity.
Wigmore 1994	Study measures glove indicator system only. No comparison group.
Williams 1997	Discussion paper on electronic testing of gloves.
Woods 1996	Laboratory test for dexterity only
Wright 1993	RCT of new suture
Zimmerman 1996	Study measures glove indicator system only. No comparison group