Table 1.

Descriptive statistics for standard tumor characteristics in SEER 13 Registry Database among female breast cancer cases collected during 1992 to 2002

Table 1A:
All breast cancer casesDuct NSTTubularLobular
Sample size270,124185,1694,40721,846
% Total cases100.068.51.68.1
Median age (y)62.061.062.066.0
Median tumor size (centimeters)1.61.60.82.0
Rate (SE)132.4 (0.26)91.0 (0.21)2.19 (0.03)10.7 (0.07)













Variable
1N (%)
2Rate
3RR (95% CI)
N (%)
Rate
RR (95% CI)
N (%)
Rate
RR (95% CI)
N (%)
Rate
RR (95% CI)
Demographics
    Age (y)
        <5063,118 (23)42.51.046,073 (25)31.01.0754 (17)0.51.03,249 (15)2.21.0
        50-5958,524 (22)280.06.6 (6.5-6.7)41,154 (22)196.96.4 (6.3-6.4)1,147 (26)5.510.6 (9.7-11.6)4,445 (20)21.39.6 (9.1-10.0)
        60-6957,866 (21)390.89.2 (9.1-9.3)39,614 (21)267.68.6 (8.5-8.8)1,125 (26)7.614.7 (13.4-16.1)5,144 (24)34.715.6 (14.9-16.3)
        70-7957,269 (21)470.411.1 (10.9-11.2)37,911 (20)311.410.1 (9.9-10.2)1,010 (23)8.316.0 (14.6-17.6)5,694 (26)46.821.1 (20.2-22.0)
        80+33,347 (12)430.710.1 (10.0-10.3)20,417 (11)264.38.5 (8.4-8.7)371 (8)4.99.4 (8.3-10.6)3,314 (15)42.919.3 (18.4-20.2)
    Race
        White225,187 (83)138.31.0153,090 (83)94.41.04,022 (91)2.51.019,636 (90)12.01.0
        Black22,987 (9)120.20.9 (0.9-0.9)15,844 (9)82.10.9 (0.9-0.9)179 (4)0.90.4 (0.3-0.4)1,219 (6)6.70.6 (0.5-0.6)
        API19,253 (7)92.80.7 (0.7-0.7)14,376 (8)69.00.7 (0.7-0.7)172 (4)0.80.3 (0.3-0.4)823 (4)4.00.3 (0.3-0.4)
        Other1,243 (<1)916 (<1)11 (<1)59 (<1)
        Unknown1,454 (1)943 (1)23 (1)109 (<1)
ER receptors
    ER
        ER positive164,444 (61)80.71.0114,666 (62)56.31.03,216 (73)1.61.016,347 (75)8.01.0
        ER negative48,905 (18)24.10.3 (0.3-0.3)37,680 (20)18.60.3 (0.3-0.3)178 (4)0.10.1 (0.0-0.1)1,470 (7)0.70.1 (0.1-0.1)
        Unknown56,775 (21)32,823 (18)1,013 (23)4,029 (18)
Table 1B:

Medullary
Inflammatory
Papillary
Mucinous
Sample size2,6193,0041,6786,881
% Total cases1.11.20.72.8
Median age (y)51.056.070.071.0
Median tumor size (cm)2.05.31.51.5
Rate (SE)1.29 (0.03)1.50 (0.03)0.81 (0.02)3.31 (0.04)













Variable
N (%)
Rate
RR (95% CI)
N (%)
Rate
RR (95% CI)
N (%)
Rate
RR (95% CI)
N (%)
Rate
RR (95% CI)
Demographics
    Age (y)
        <501,204 (46)0.81.0988 (33)0.71.0228 (14)0.21.0926 (13)0.61.0
        50-59630 (24)3.03.8 (3.4-4.2)754 (25)3.65.5 (5.0-6.0)217 (13)1.06.8 (5.6-8.2)902 (13)4.36.9 (6.3-7.6)
        60-69413 (16)2.83.5 (3.1-3.9)547 (18)3.75.6 (5.1-6.2)369 (22)2.516.3 (13.8-19.2)1,431 (21)9.615.4 (14.1-16.7)
        70-79268 (10)2.22.8 (2.4-3.1)447 (15)3.75.6 (5.0-6.2)499 (30)4.126.8 (22.9-31.3)2,167 (31)17.828.5 (26.3-30.8)
        80+104 (4)1.31.7 (1.4-2.1)268 (9)3.55.2 (4.6-6.0)365 (22)4.730.9 (26.2-36.4)1,455 (21)18.830.1 (27.6-32.7)
    Race
        White1,896 (72)1.21.02,403 (80)1.51.01,246 (74)0.71.05,672 (82)3.41.0
        Black498 (19)2.42.0 (1.8-2.2)416 (14)2.11.4 (1.3-1.6)237 (14)1.31.8 (1.6-2.1)516 (7)2.90.9 (0.8-1.0)
        API195 (7)0.90.8 (0.5-1.3)161 (5)0.90.6 (0.4-1.0)178 (11)0.91.2 (0.9-1.6)634 (9)3.11.1 (0.9-1.2)
        Other24 (1)19 (1)10 (1)24 (<1)
        Unknown6 (<1)5 (<1)7 (<1)35 (1)
ER receptors
    ER
        ER positive447 (17)0.21.01,081 (36)0.51.0982 (59)0.51.05,128 (75)2.51.0
        ER negative1,697 (65)0.83.8 (3.4-4.2)1,011 (34)0.50.9 (0.9-1.0)166 (10)0.10.2 (0.1-0.2)265 (4)0.10.1 (0.0-0.1)
        Unknown475 (18)912 (30)530 (32)1,488 (22)
  • NOTE: 1N, sample size; 2Rate, age-adjusted (2000 U.S. standard) incidence rate per 100,000 woman-years; 3RR, expressed as a rate ratio where a high-risk characteristic is compared to a low-risk characteristic with an assigned RR of 1.0.