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Table 1 Risk of bias summary: review authorssment.e studies.ondary injury processes and functiincluded study according to SYRCLEry: review authorssm

From: The application of stem cell sheets for neuronal regeneration after spinal cord injury: a systematic review of pre-clinical studies

Study

SYRCLE Item

Item 1

Item 2

Item 3

Item 4

Item 5

Item 6

Item 7

Item 8

Item 9

Item 10

Mi et al. 2023 a [22]

Low

Low

Unclear

Unclear

Unclear

Unclear

Low

Low

Low

Low

Mi et al. 2023 b [25]

Low

Low

Unclear

Unclear

Unclear

Unclear

Low

Low

Low

Low

Chen et al. 2022 [26]

Unclear

Low

Unclear

Unclear

Unclear

Unclear

Unclear

Low

Low

Low

Li et al. 2022 [27]

Low

Low

Unclear

Unclear

Unclear

Unclear

Low

Low

Low

Low

Yamazaki et al. 2021 [28]

Low

Low

Unclear

Unclear

Unclear

Unclear

Low

Low

Low

Low

Fan et al. 2020 [29]

Low

Low

Unclear

Unclear

Unclear

Unclear

Low

Low

Low

Low

Okuda et al. 2017 [30]

Unclear

Low

Unclear

Unclear

Unclear

Unclear

Low

Low

Low

Low

  1. SYRCLE Items: 1, sequence generation; 2, baseline characteristics; 3, allocation concealment; 4, random housing; 5, blinded animal intervention; 6, random outcome assessment; 7, blinding outcome assessors; 8, incomplete outcome data; 9, selective outcome reporting; 10, other types of bias