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Table 1 The methodological index for non-randomised studies (Newcastle Ottawa Scale)

From: Locked compression plating versus retrograde intramedullary nailing in the treatment of periprosthetic supracondylar knee fractures: a systematic review and meta-analysis

References

Selection

Comparability

Outcome

Total score

Aldrian et al. [12]

3

2

3

8

Gondalia et al. [11]

2

2

3

7

Horneff et al. [9]

3

2

3

8

Hou et al. [24]

3

1

3

7

Kilucoglu et al. [25]

2

2

3

7

Kyriakidis et al. [26]

3

2

3

8

Large et al. [19]

2

2

3

7

Meneghini et al. [10]

3

2

2

7

Matlovich et al. [27]

2

2

3

7

Park et al. [28]

2

2

3

7