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Table 3 Newcastle -Ottawa Quality Assessment Scores (NOS score).

From: Preoperative muscle weakness as defined by handgrip strength and postoperative outcomes: a systematic review

    

Selection

Comparability

Outcome

Study

Year

Study type

NOS score

1

2

3

4

1

1

2

3

Beloosesky [16]

2010

Cohort

6

D

a*

a*

a*

 

b*

a*

a*

Wehren [23]

2005

Cohort

6

a*

a*

b*

a*

 

b*

a*

c < 60%

Figueiredo [24]

2000

Cohort

6

D

a*

a*

a*

 

b*

a*

a*

Visser [26]

2000

Cohort

6

D

a*

a*

a*

 

b*

a*

a*

Watters [27]

1993

Cohort

7

a*

a*

b*

a*

 

b*

a*

a*

Schroeder [34]

1993

Cohort

6

D

a*

b*

a*

 

b*

a*

a*

Griffith [28]

1989

Cohort

7

a*

a*

b*

a*

 

b*

a*

a*

Brenner [29]

1989

Cohort

6

D

a*

b*

a*

 

b*

a*

a*

Davies [32]

1984

Cohort

7

a*

a*

b*

a*

 

b*

a*

a*

Mahalakshmi [10]

2004

Case-control

7

a*

a*

b*

a*

b*

a*

a*

Cook [17]

2001

Case-control

7

a*

a*

b*

a*

b*

a*

a*

Le Cornu [25]

2000

Case-control

7

a*

a*

b*

a*

a*

c

a*

a*

Guo [11]

1996

Case-control

6

a*

a*

b*

a*

 

c

a*

a*

Kalfarentzos [12]

1989

Case-control

6

a*

a*

b*

a*

c

a*

a*

Webb [30]

1989

Case-control

4

C

b

b*

a*

c

a*

a*

Shukla [31]

1987

Case-control

6

a*

a*

b*

a*

c

a*

a*

Hunt [13]

1985

Case-control

4

C

b

b*

a*

c

a*

a*

Klidjian [33]

1982

Case-control

4

C

b

b*

a*

c

a*

a*

Klidjian [9]

1980

Case-control

4

C

b

b*

a*

c

a*

a*

  1. Letters represent answer for corresponding numbered question in each section. A study can be awarded a maximum of one star for each numbered item within the Selection and Outcome categories. A maximum of two stars can be given for Comparability. See Additional File 1 for full details of assessment criteria.
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BMC Anesthesiology

ISSN: 1471-2253

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