Laparoscopic Cholecystectomy Update 2006 – Quality Scoring + Levels of Evidence

Study ID

Allocation Concealment (final)

Quality Score (final)

Level of Evidence (Final)

Ainslie 2003

B

2

1

Aitola 1998

B

3

1

Alexander 1996

A

4

1

Alponat 2002

A

2

2

Ayoglu 2005

B

4

1

Barczynski 2003

A

5

1

Barczynski 2004

A

4

1

Bisgaard 1999

B

4

1

Bisgaard 2000

B

4

1

Bisgaard 2002

A

5

1

Bisgaard 2003

A

5

1

Bisgaard 2004

A

4

1

Boccara 2005

A

5

1

Bresadola 1999

B

2

2

Busley 1999

B

1

2

Cheah 2001

A

4

1

Cheng 2004

A

4

1

Chundrigar 1993

B

3

2

Chung 2004

B

4

1

Curet 2002

A

2

1

Damen 2004

A

4

1

Dath 1999

B

3

2

Elfberg 2000

B

3

2

Elhakim 2000a

A

3

1

Elhakim 2000b

B

3

1

Farley 2004

A

5

1

Forse 1996

A

3

1

Fredman 1994

B

5

1

Fredman 1995

A

5

1

Fujii 1998

A

3

1

Gan 2004

B

4

1

Grundmann 2001

B

1

2

Gupta 2002

A

5

1

Hausel 2005

A

4

1

Hawasli 1994

A

2

1

Hernandez-Palazon 2003

B

3

1

Holte 2004

A

5

1

Huang 2003

A

2

1

Jabbour-Khoury 2005

B

2

1

Jiranantarat 2002

B

2

2

Johnson 1999

B

2

1

Jorgensen 1995

B

3

1

Joris 1995

B

2

2

Joshi 2004

A

5

1

Keulemans 1998

A

2

1

Kolsi 2000

B

3

1

Kum 1996

A

2

1

Labaille 2002

B

4

1

Lam 2000

A

2

2

Lane 1996

B

2

2

Larsen 2001

A

4

1

Launo 2004

B

2

1

Lee 2001

B

3

1

Leggett 2000

B

2

2

Lepner 2003

A

4

1

Lindgren 1995

B

2

1

Liu 1993

A

3

1

Look 2001

A

3

2

Luchetti 1996

B

1

2

Maestroni 2002

B

3

2

Mathisen 1999

A

4

1

Michaloliakou 1996

A

5

1

Motamed 2000

A

5

1

Mouton 1999

B

2

2

Mraovic 1997

B

5

1

Munoz 2005

A

4

1

Munoz 2002

B

3

1

Munro 1998

B

4

1

Naguib 1998

B

3

1

Naguib 2000

B

3

1

Naja 2004

A

4

1

Ng 2003

A

5

1

Nursal 2003

B

2

1

O’Hanlon 2002

A

5

1

Owen 1997

B

4

1

Pandey 2004

B

4

1

Papagiannopoulou 2003

B

3

1

Papaziogas 2001

B

3

1

Pasqualucci 1994

B

3

1

Pasqualucci 1996

B

4

1

Paulson 2002

A

4

1

Pavlidis 2003

A

5

1

Perrakis 2003

A

3

2

Poon 2003

B

4

1

Puttick 1999

A

2

1

Rademaker 1994

B

3

1

Raetzell 1995

B

3

1

Razek 2003

B

3

1

Saad 2000

B

1

1

Sarac 1996

B

1

2

Sarli 2000

B

5

1

Sarli 2003

A

3

1

Scheinin 1995

B

3

1

Schulte-Steinberg 1995

B

3

1

Schwenk 2000

B

2

1

Scott 1992

B

1

2

Slim 1999

A

5

1

Sung 2000

B

3

1

Szem 1996

B

2

2

Trichak 2003

B

1

1

Tsimoyiannis 1998a

B

2

1

Tsimoyiannis 1998b

B

2

1

Tsimoyiannis 1998c

B

2

1

Uen 2002

A

2

1

Ure 1993

B

3

1

Usmani 2004

B

2

1

Uzunkoy 2001

B

1

1

Vezakis 1999

A

3

1

Wallace 1997

A

4

1

Weber 1997

B

2

2

Wilson 1994

A

5

1

Wu 1999

B

2

1

Wu 2005

A

4

1

Young 2001

B

1

2

Zajaczkowska 2004

A

4

1

Zmora 2000

B

3

1

Study ID	Allocation Concealment (final)	Quality Score (final)	Level of Evidence (Final)
Ainslie 2003	B	2	1
Aitola 1998	B	3	1
Alexander 1996	A	4	1
Alponat 2002	A	2	2
Ayoglu 2005	B	4	1
Barczynski 2003	A	5	1
Barczynski 2004	A	4	1
Bisgaard 1999	B	4	1
Bisgaard 2000	B	4	1
Bisgaard 2002	A	5	1
Bisgaard 2003	A	5	1
Bisgaard 2004	A	4	1
Boccara 2005	A	5	1
Bresadola 1999	B	2	2
Busley 1999	B	1	2
Cheah 2001	A	4	1
Cheng 2004	A	4	1
Chundrigar 1993	B	3	2
Chung 2004	B	4	1
Curet 2002	A	2	1
Damen 2004	A	4	1
Dath 1999	B	3	2
Elfberg 2000	B	3	2
Elhakim 2000a	A	3	1
Elhakim 2000b	B	3	1
Farley 2004	A	5	1
Forse 1996	A	3	1
Fredman 1994	B	5	1
Fredman 1995	A	5	1
Fujii 1998	A	3	1
Gan 2004	B	4	1
Grundmann 2001	B	1	2
Gupta 2002	A	5	1
Hausel 2005	A	4	1
Hawasli 1994	A	2	1
Hernandez-Palazon 2003	B	3	1
Holte 2004	A	5	1
Huang 2003	A	2	1
Jabbour-Khoury 2005	B	2	1
Jiranantarat 2002	B	2	2
Johnson 1999	B	2	1
Jorgensen 1995	B	3	1
Joris 1995	B	2	2
Joshi 2004	A	5	1
Keulemans 1998	A	2	1
Kolsi 2000	B	3	1
Kum 1996	A	2	1
Labaille 2002	B	4	1
Lam 2000	A	2	2
Lane 1996	B	2	2
Larsen 2001	A	4	1
Launo 2004	B	2	1
Lee 2001	B	3	1
Leggett 2000	B	2	2
Lepner 2003	A	4	1
Lindgren 1995	B	2	1
Liu 1993	A	3	1
Look 2001	A	3	2
Luchetti 1996	B	1	2
Maestroni 2002	B	3	2
Mathisen 1999	A	4	1
Michaloliakou 1996	A	5	1
Motamed 2000	A	5	1
Mouton 1999	B	2	2
Mraovic 1997	B	5	1
Munoz 2005	A	4	1
Munoz 2002	B	3	1
Munro 1998	B	4	1
Naguib 1998	B	3	1
Naguib 2000	B	3	1
Naja 2004	A	4	1
Ng 2003	A	5	1
Nursal 2003	B	2	1
O’Hanlon 2002	A	5	1
Owen 1997	B	4	1
Pandey 2004	B	4	1
Papagiannopoulou 2003	B	3	1
Papaziogas 2001	B	3	1
Pasqualucci 1994	B	3	1
Pasqualucci 1996	B	4	1
Paulson 2002	A	4	1
Pavlidis 2003	A	5	1
Perrakis 2003	A	3	2
Poon 2003	B	4	1
Puttick 1999	A	2	1
Rademaker 1994	B	3	1
Raetzell 1995	B	3	1
Razek 2003	B	3	1
Saad 2000	B	1	1
Sarac 1996	B	1	2
Sarli 2000	B	5	1
Sarli 2003	A	3	1
Scheinin 1995	B	3	1
Schulte-Steinberg 1995	B	3	1
Schwenk 2000	B	2	1
Scott 1992	B	1	2
Slim 1999	A	5	1
Sung 2000	B	3	1
Szem 1996	B	2	2
Trichak 2003	B	1	1
Tsimoyiannis 1998a	B	2	1
Tsimoyiannis 1998b	B	2	1
Tsimoyiannis 1998c	B	2	1
Uen 2002	A	2	1
Ure 1993	B	3	1
Usmani 2004	B	2	1
Uzunkoy 2001	B	1	1
Vezakis 1999	A	3	1
Wallace 1997	A	4	1
Weber 1997	B	2	2
Wilson 1994	A	5	1
Wu 1999	B	2	1
Wu 2005	A	4	1
Young 2001	B	1	2
Zajaczkowska 2004	A	4	1
Zmora 2000	B	3	1