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Table 1 Risk of bias assessment

From: Early changes in somatosensory function in spinal pain: protocol for a systematic review

Category Criteria Judgment
Defined sample Inclusion/exclusion criteria were clearly specified Yes
  Comment: No
   Unsure
   N/A
Representative sample Clinical and demographic characteristics were well described Yes
  Comment: No
   Unsure
   N/A
  Recruitment procedure was specified (including source population) and appropriate Yes
  Comment: No
   Unsure
   N/A
Somatosensory assessment Somatosensory assessment method was standardized or validated Yes
  Comment: No
   Unsure
   N/A
  Method of somatosensory assessment was fully described Yes
  Comment: No
   Unsure
   N/A
Blinding of assessment Assessment of somatosensory function was blinded to participant group or condition Yes
  Comment: No
   Unsure
   N/A
Controlled risk of known confounders Factors known to influence pain assessment were evaluated or controlled for Yes
  Comment: No
   Unsure
   N/A