BOLD MRI Parameters
Knees Diff_on_off_0.2, 95% O2+5% CO2, 60 sec Diff_on_off_0.01, 95% O2+5% CO2, 60 sec
  Standardized Response Mean
Arthritic 0.45 - Small 0.41 – Small
Contralateral -0.12 0.03
Non-injection -0.48 - Small 0.38 - Small
Knees PT% 0.2, 95% O2+5% CO2, 60 sec PT% 0.01, 95% O2+5% CO2, 60 sec
  Standardized Response Mean
Arthritic 0.58 - Moderate 0.04
Contralateral 0.73 - Moderate 0.75 - Moderate
Non-injection 0.37 - Small 0.23 - Small
Abbreviations: diff_on_off: Difference in on and Off changes; PT%: Percentage
of Activated Voxels
Table 3: Standardized response mean for assessment of internal responsiveness of relative BOLD MRI measurements at decreased local temperatures using different sets of BOLD MRI parameters in arthritic, contralateral and non-injection knees.