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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: J Urol. 2014 Aug 7;193(2):500–506. doi: 10.1016/j.juro.2014.08.001

Table 1.

Patient and regional characteristics overall and according to whether patient received “Best Care” or not.

“Best care” (column %)
N No Yes p
Overall number of patients 38,055 34,643 3,412
Age <0.001*
 66–69 12,940 34.4 29.9
 70–74 13,929 36.5 37.3
 75–79 8,180 21.2 24.2
 80–84 2,582 6.7 7.6
 85+ 424 1.1 1.0
Race 0.060**
 White 31,597 83.0 83.1
 Black 3,646 9.5 10.1
 Hispanic 640 1.7 1.1
 Asian 1,031 2.7 2.7
 Other/Unknown 1,141 3.0 3.0
Comorbidity 0.269*
 0 25,297 66.6 65.2
 1 8,586 22.5 23.4
 2 2,621 6.8 7.6
 3+ 1,551 4.1 3.8
Clinical stage <0.001*
 T1 22,447 58.8 61.2
 T2 14,594 38.5 36.9
 T3/T4*** 1,014 2.7 1.9
Gleason Grade 0.663*
 ≤6 15,613 41.2 38.8
 7 16,335 42.5 46.8
 ≥8 6,107 16.2 14.4
Prostate Specific Antigen 0.008*
 low (≤10 ng/ml) 29,066 76.3 77.4
 intermediate 6,036 15.8 16.5
 high (>20 ng/ml) 2,953 7.9 6.1
D’Amico risk <0.001**
 Low 11,758 31.3 27.3
 Intermediate 15,144 38.9 48.6
 High 11,153 29.8 24.1
Year of diagnosis 0.019*
 2004 6,738 17.9 15.6
 2005 6,332 16.7 16.3
 2006 6,831 17.8 19.6
 2007 7,130 18.7 18.9
 2008 6,264 16.4 16.7
 2009 4,760 12.5 12.9
25% or more of adults in census tract with a college education 18,477 48.2 53.2 <0.001*
Median annual household income of census tract <0.001*
 Low (≤$40,784) 12,484 33.7 24.7
 Intermediate 12,654 33.2 34.7
 High (≥$59,938) 12,855 33.2 40.6
Residing in urban area 34,465 90.1 95.6 <0.001*
Number of urologists per 100,000 men 65 and over <0.001*
 Low (≤52) 12,127 32.5 25.7
 Intermediate 11,677 30.4 33.3
 High (≥87) 14,247 37.1 41.0
Number of radiation oncologists per 100,000 men 65 and over 0.429*
 Low (≤21) 12,394 32.5 33.7
 Intermediate 12,200 32.2 30.8
 High (≥37) 13,457 35.4 35.5
Number of hospital beds per 100,000 men 65 and over 0.528*
 Low (≤4,735) 12,004 32.1 26.2
 Intermediate 12,790 32.6 43.4
 High (≥6,854) 13,257 35.3 30.4
Medicare managed care penetration <0.001*
 Low (≤4.8%) 12,565 33.6 27.6
 Intermediate 12,685 31.8 49.3
 High (≥16.0%) 12,801 34.7 23.1
Treatment received <0.001**
 Open prostatectomy 5,531 15.8 1.4
 Robotic prostatectomy 4,496 12.2 7.5
 Brachytherapy 12,903 29.9 74.4
 IMRT 13,004 36.0 15.5
 EBRT 2,121 6.0 1.1
*

Mantel-Haenszel chi-squared test;

**

Chi-squared test;

***

T3 and T4 were combined, because the SEER-Medicare data use agreement stipulates that cells with <11 cases must not be derivable (<100 patients had T4 disease).