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Table 5 Summary of estimated coefficient for “Onsite MRI” for alternative measures of the difference in medicare MRI volume and alternative provider samples

From: In-office magnetic resonance imaging (MRI) equipment ownership and MRI volume among medicare patients in orthopedic practices

MRI volume change measure

Principal provider sample (N = 433)

Confirmed provider sample (N = 371)

 

“Onsite MRI”

p-value

“Onsite MRI”

p-value

∆MRIs as % Visits

−0.468

0.161

−0.604

0.273

∆Ortho MRIs as % Visits

−0.399

0.210

−0.787

0.128

∆Number of MRIs

2.165

0.420

1.591

0.310

∆Number of Ortho MRIs

0.102

0.977

0.152

0.507

  1. Sources: see tex