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Tables 3 Total crude (N = 53,653) and adjusted breast cancer per capita costs, with and without breast MRI and stratified by the diagnostic and preoperative periods, among SEER-Medicare females (2005–2009)

From: Costs of diagnostic and preoperative workup with and without breast MRI in older women with a breast cancer diagnosis

   Total Costs MRI No MRI MRI vs. No MRI
  Na Nb PCCc Adjusted PCCb,c PCCc Adjusted PCCb,c PCCc Adjusted PCCb,c Differenced
Total 53,653 43,414 $1,560 $1,541 $2,524 $2,382 $1,318 $1,317 $1,065
 Imaging costs 53,653 43,414 $455 $467 $1,227 $1,200 $261 $272 $928
 Biopsy costs 53,653 43,414 $1,105 $1,074 $1,297 $1,183 $1,057 $1,045 $138
Diagnostic period 53,653 43,414 $1,127 $1,107 $1,313 $1,253 $1,080 $1,069 $185
I maging costs 52,487 42,491 $288 $293 $442 $418 $250 $259 $159
 Biopsy costs 53,653 43,414 $845 $821 $884 $845 $835 $814 $31
Preoperative period 20,570 16,775 $1,131 $1,127 $1,356 $1,316 $932 $947 $369
 Imaging costs 14,834 12,358 $627 $508 $912 $907 $127 $128 $779
 Biopsy costs 11,947 9,504 $1,169 $1,165 $1,282 $1,173 $1,122 $1,158 $15
  1. aUnadjusted N
  2. bModel Ns after excluding patients with missing patient or tumor characteristics
  3. cPCC: Per Capita Costs
  4. dDifference between the MRI groups from the adjusted models