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Table 4 Percentage (%) distributions and odds ratios for receipt of radiation therapy among patients receiving definitive treatment (n = 2,347).

From: Factors associated with initial treatment and survival for clinically localized prostate cancer: results from the CDC-NPCR Patterns of Care Study (PoC1)

Characteristic % Crude 1 OR (95% CI) Adj.2 OR (95% CI) Adj.3 OR (95% CI)
     Model 1 Model 2
Age-Race/ethnicity        
Interaction4        
   <60, Non-Black   1.00 (referent) 1.00 (referent)   
   <60, NH Black   2.98 (1.77 - 4.96) 2.62 (1.50 - 4.52)   
   60-64, Non-Black   2.01 (1.42 - 2.88) 1.95 (1.36 - 2.83)   
   60-64, NH Black   2.80 (1.52 - 5.03) 2.53 (1.32 - 4.72)   
   65-74, Non-Black   7.20 (5.38 - 9.79) 7.55 (5.57 - 10.40)   
   65-74, NH Black   5.14 (3.24 - 8.18) 5.19 (3.15 - 8.59)   
   >= 75, Non-Black   68.08 (41.57 - 116.45) 69.73 (41.94 - 120.93)   
   >= 75, NH Black   41.09 (13.58 - 178.13) 43.31 (13.28 - 196.39)   
Age at diagnosis        
   <60 17.20 1.00 (referent)    1.00 (referent)
   60-64 25.54 1.65 (1.22 - 2.25)    1.63 (1.18 - 2.26)
   65-69 39.76 3.18 (2.41 - 4.22)    3.37 (2.52 - 4.54)
   70-74 69.25 10.84 (8.08 - 14.66)    12.22 (8.94 - 16.86)
   >= 75 91.32 50.63 (32.27 - 82.56)    54.47 (34.11 - 90.27)
Marital status        
   Married 42.30 1.00 (referent) 1.00 (referent) 1.00 (referent)
   Not Married 49.18 1.32 (1.05 - 1.65) 1.44 (1.10 - 1.88) 1.51 (1.15 - 1.98)
   Unknown 60.58 2.10 (1.41 - 3.16) 2.20 (1.36 - 3.58) 2.22 (1.36 - 3.65)
Registry        
   California 36.60 1.00 (referent) 1.00 (referent) 1.00 (referent)
   Colorado 39.30 1.12 (0.83 - 1.52) 1.57 (1.10 - 2.25) 1.60 (1.11 - 2.31)
   Illinois 46.46 1.50 (1.11 - 2.04) 1.57 (1.09 - 2.27) 1.71 (1.17 - 2.49)
   Louisiana 38.36 1.08 (0.80 - 1.46) 1.06 (0.73 - 1.53) 1.07 (0.74 - 1.56)
   New York 53.80 2.02 (1.49 - 2.75) 2.40 (1.66 - 3.49) 2.78 (1.91 - 4.06)
   Rhode Island 49.39 1.69 (1.24 - 2.30) 2.00 (1.39 - 2.90) 1.98 (1.36 - 2.89)
   South Carolina 47.66 1.58 (1.14 - 2.19) 2.12 (1.43 - 3.14) 2.35 (1.58 - 3.51)
DRE results        
   Normal 40.28 1.00 (referent) 1.00 (referent) 1.00 (referent)
   Abnormal 50.67 1.52 (1.26 - 1.84) 1.19 (0.95 - 1.50) 1.17 (0.93 - 1.48)
   Equivocal/unknown 41.33 1.05 (0.85 - 1.29) 0.78 (0.60 - 1.02) 0.77 (0.59 - 1.00)
PSA value        
   0-4 39.52 1.00 (referent) 1.00 (referent) 1.00 (referent)
   >4-10 41.56 1.09 (0.81 - 1.47) 1.01 (0.71 - 1.44) 1.06 (0.74 - 1.53)
   >10-20 53.88 1.79 (1.28 - 2.50) 1.57 (1.06 - 2.34) 1.64 (1.09 - 2.46)
   20+ 61.00 2.40 (1.61 - 3.58) 2.14 (1.34 - 3.45) 2.17 (1.35 - 3.52)
   Unknown 29.91 0.65 (0.44 - 0.97) 0.45 (0.27 - 0.73) 0.46 (0.28 - 0.75)
Gleason score        
   2-4 43.01 1.00 (referent) 1.00 (referent) 1.00 (referent)
   5-7 40.92 0.92 (0.68 - 1.24) 0.76 (0.54 - 1.09) 0.76 (0.53 - 1.09)
   8-10 61.05 2.08 (1.39 - 3.13) 1.53 (0.94 - 2.48) 1.59 (0.97 - 2.62)
   Unknown 72.48 3.49 (2.12 - 5.86) 5.59 (3.09 - 10.34) 5.64 (3.08 - 10.52)
  1. 1: OR = odds ratio; CI = confidence interval.
  2. 2,3: Adjusted for factors shown in the table.
  3. 4: NH = Non-Hispanic, non-Black includes all race/ethnic groups other than NH Blacks.