Table 1 Among the female SEER-Medicare breast cancer cohort^a (2005–2009; N = 56,449), median and interquartile range (IQR) per capita costs for women within the diagnostic/preoperative window (N = 53,653) by patient characteristics, with and without breast MRI

Total

53,653

100 %

$1,353

(818–2,042)

$2,251

(1,783–2,971)

$1,152

(708–1,727)

Age at diagnosis (yrs.)

 66–69

11,130

21 %

$1,553

(969–2,268)

$2,307

(1,810–3,097)

$1,241

(778–1,821)

 70–74

13,949

26 %

$1,447

(892–2,146)

$2,271

(1,806–3,045)

$1,211

(760–1,781)

 75–79

12,713

24 %

$1,362

(837–2,036)

$2,223

(1,759–2,934)

$1,178

(733–1,767)

 80–84

9,633

18 %

$1,220

(734–1,871)

$2,201

(1,733–2,742)

$1,082

(668–1,654)

 85+

6,228

12 %

$1,024

(608–1,625)

$2,057

(1,660–2,687)

$948

(576–1,459)

Race

 White

47,150

89 %

$1,360

(827–2,046)

$2,243

(1,785–2,955)

$1,154

(711–1,722)

 Black

3,732

7 %

$1,293

(757–1,946)

$2,272

(1,674–3,288)

$1,162

(697–1,779)

 Other^c

2,741

5 %

$1,317

(761–2,065)

$2,331

(1,799–3,025)

$1,099

(677–1,711)

Residential location

 Urban

48,332

90 %

$1,368

(829–2,071)

$2,264

(1,796–2,986)

$1,154

(717–1,732)

 Rural

5,311

10 %

$1,224

(672–1,790)

$2,040

(1,603–2,708)

$1,134

(613–1,686)

Census Tract Median Income Quartiles

 1st (<=$36,000)

13,336

25 %

$1,216

(697–1,818)

$2,045

(1,622–2,652)

$1,106

(637–1,674)

 2nd ($36,001–$47,500)

13,345

25 %

$1,287

(781–1,985)

$2,216

(1,751–2,942)

$1,123

(695–1,709)

 3rd ($47,501–$64,700)

13,409

25 %

$1,385

(852–2,094)

$2,239

(1,790–2,958)

$1,168

(742–1,748)

 4th (> = $64,701)

13,065

25 %

$1,538

(959–2,287)

$2,387

(1,882–3,159)

$1,227

(778–1,812)

Comorbidities

 0

33,742

63 %

$1,390

(847–2,088)

$2,256

(1,786–2,974)

$1,160

(726–1,730)

 1

12,889

24 %

$1,324

(797–2,003)

$2,240

(1,760–2,965)

$1,157

(703–1,741)

 2+

7,022

13 %

$1,227

(712–1,894)

$2,231

(1,759–2,956)

$1,099

(654–1,686)

Year of Diagnosis

 2005

10,516

20 %

$1,155

(648–1,765)

$2092

(1,368–2,864)

$1,070

(614–1,641)

 2006

10,863

20 %

$1,211

(706–1,871)

$2134

(1,674–2,851)

$1,074

(649–1,653)

 2007

10,645

20 %

$1,268

(766–1,949)

$2131

(1,687–2,805)

$1,073

(674–1,585)

 2008

10,777

20 %

$1,533

(966–2,188)

$2285

(1,842–2,975)

$1,252

(836–1,761)

 2009

10,852

20 %

$1,674

(1,065–2,368)

$2389

(1,904–3,171)

$1,316

(924–1,966)