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 -0.22 – Small 0.03
Contralateral -0.48 – Small 0.07
Non-injection -0.01 0.40 – Small
Knees PT% 0.2, 95% O2+5% CO2, 60 sec PT% 0.01, 95% O2+5% CO2, 60 sec
  Standardized Response Mean
Arthritic 0.54 – Moderate 0.16
Contralateral 1.93 – Large 1.75 - Large
Non-injection 0.56 - Moderate 0.40 – Small
Abbreviations: diff_on_off: Difference in on and Off changes; PT%: Percentage
of Activated Voxels
Table 2: Standardized response mean for assessment of internal responsiveness of relative BOLD MRI measurements at increased local temperatures using different sets of BOLD MRI parameters in arthritic, contralateral and non-injection knees.