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Table 3 Quality assessment of included studies

From: The clinical effectiveness of intra-articular corticosteroids for arthritis of the lower limb in juvenile idiopathic arthritis: a systematic review

Author

Sequence generation/allocation concealment (internal validity)

Blinding of participants, personnel and outcome assessors (internal validity)

Incomplete outcome data (internal validity)

Selective outcome reporting/statistical issues (internal validity)

Interventions (internal validity)

Generalisability (external validity)

Internal validity

External validity

Balogh et al., [30]

Low

Low

Low

High

Low

Low

Low

Low

Al-wahadneh, [31]

N/A

N/A

Low

Low

High

Low

Low

Low

Allen et al., [32]

N/A

N/A

Low

Low

Low

High

Low

High

Beukelman et al., [26]

N/A

N/A

Low

Low

High

High

Low

High

Cahill et al., [25]

N/A

N/A

Low

Low

Low

Low

Low

Low

Earley et al., [33]

N/A

N/A

Low

Low

High

Low

Low

Low

Eberhard et al., [34]

N/A

N/A

Low

Low

High

High

Low

High

Eich et al., [35]

N/A

N/A

High

Low

Low

High

Low

High

Hertzberger-ten Cate et al., [36]

N/A

N/A

Low

Low

High

Low

Low

Low

Honkanen et al., [37]

N/A

N/A

Low

Low

High

Low

Low

Low

Huppertz et al., [38]

N/A

N/A

High

Low

Low

Low

Low

Low

Laurell et al., [24]

N/A

N/A

Low

Low

Low

High

Low

High

Lepore et al., [39]

N/A

N/A

Low

Low

Low

Low

Low

Low

Marti et al., [19]

N/A

N/A

Low

Low

Low

High

Low

High

Papadopoulou et al., [40]

N/A

N/A

Low

High

High

High

Low

High

Ravelli et al., [41]

N/A

N/A

Low

Low

Low

High

Low

High

Remedios et al., [42]

N/A

N/A

Low

Low

Low

Low

Low

Low

Sherry et al., [43]

N/A

N/A

Low

High

High

Low

Low

Low

Sornay-Soares et al., [44]

N/A

N/A

Low

Low

High

High

Low

High

Verma et al., [45]

N/A

N/A

Low

Low

Low

Low

Low

Low

Zulian et al., [46]

N/A

N/A

High

High

High

Low

High

Low