Skip to main content

Table 2 Quality assessment according to the Newcastle-Ottawa Scale

From: Open-chest cardiopulmonary resuscitation versus closed-chest cardiopulmonary resuscitation in patients with cardiac arrest: a systematic review and meta-analysis

Study (year)

Masaya 1993 [20]

Azad 1994 [21]

Anastasia 1998 [22]

Yoshihiro 2011 [26]

Kodai 2016 [23]

Matthew 2016 [24]

Akira 2017 [25]

Selection

5

4

4

4

4

5

5

Comparability

1

1

1

1

1

1

1

Outcome

2

1

3

2

2

2

2

Total

8

6

8

7

7

8

8