Table 2.

Demographic information for CRC by race; incident cases, January 1994 to December 2003 (all P < 0.0001)

A. Colon cancer
White (n = 65,558), n (%)Black (n = 6,479), n (%)Hispanic (n = 9,945), n (%)Chinese (n = 2,504), n (%)Non-Chinese Asian (n = 5,099), n (%)Other (n = 688), n (%)Total (N = 90,273), n (%)
Gender
    Male32,536 (49.6)3,029 (46.8)4,992 (50.2)1,293 (51.6)2,519 (49.4)384 (55.8)44,753 (49.6)
    Female33,022 (50.4)3,450 (53.3)4,953 (49.8)1,211 (48.4)2,580 (50.6)304 (44.2)45,520 (50.4)
Stage
    I15,701 (24.0)1,438 (22.2)2,131 (21.4)609 (24.3)1,119 (22.0)282 (41)21,280 (23.6)
    IIA17,080 (26.1)1,337 (20.6)2,450 (24.6)636 (25.4)1,197 (23.5)112 (16.3)22,812 (25.3)
    IIB3,893 (5.9)376 (5.8)613 (6.2)109 (4.4)271 (5.3)16 (2.3)5,278 (5.9)
    IIIA1,285 (2.0)120 (1.9)193 (1.9)63 (2.5)100 (2.0)8 (1.2)1,769 (2.0)
    IIIB8,549 (13.0)852 (13.2)1,369 (13.8)362 (14.5)768 (15.1)49 (7.1)11,949 (13.2)
    IIIC4,715 (7.2)454 (7.0)787 (7.9)189 (7.6)488 (9.6)32 (4.7)6,665 (7.4)
    IV10,888 (16.6)1,432 (22.1)1,861 (18.7)392 (15.7)896 (17.6)40 (5.8)15,509 (17.2)
Histologic subtype
    Adenocarcinoma56,758 (86.6)5,552 (85.7)8,605 (86.5)2,223 (88.8)4,510 (88.5)627 (91.1)78,275 (86.7)
    Mucinous adenocarcinoma7,291 (11.1)769 (11.9)1,091 (11.0)248 (9.9)481 (9.4)42 (6.1)9,922 (11.0)
    Other1,509 (2.3)158 (2.4)249 (2.5)33 (1.3)108 (2.1)19 (2.8)2,076 (2.3)
Colon site
    Proximal and transverse40,376 (61.9)4,078 (62.9)5,616 (56.5)1,220 (48.7)2,356 (46.2)261 (37.9)53,907 (59.7)
    Descending4,108 (6.3)495 (7.6)587 (5.9)213 (8.5)394 (7.7)58 (8.4)5,855 (6.5)
    Sigmoid21,074 (32.2)1,906 (29.4)3,742 (37.6)1,071 (42.8)2,349 (46.1)369 (53.6)30,511 (33.8)
Age category
    0-39786 (1.2)151 (2.3)522 (5.3)48 (1.9)180 (3.5)22 (3.2)1,709 (1.9)
    40-492,679 (4.1)467 (7.2)834 (8.4)160 (6.4)422 (8.3)62 (9.0)4,624 (5.1)
    50-597,076 (10.8)1,162 (17.9)1,639 (16.5)306 (12.2)892 (17.5)118 (17.2)11,193 (12.4)
    60-6913,503 (20.6)1,781 (27.5)2,620 (26.3)578 (23.1)1,311 (25.7)185 (26.9)19,978 (22.1)
    70+41,514 (63.3)2,918 (45.0)4,330 (43.5)1,412 (56.4)2,294 (45.0)301 (43.8)52,769 (58.5)
Histologic grade
    Well differentiated6,201 (10.8)644 (11.9)1,008 (11.7)148 (6.8)428 (9.6)76 (17.6)8,505 (10.9)
    Moderately differentiated37,961 (66.3)3,752 (69.5)5,783 (67)1,566 (71.6)3,034 (67.7)281 (64.9)52,377 (66.8)
    Poorly differentiated12,580 (22.0)966 (17.9)1,767 (20.5)454 (20.8)999 (22.3)70 (16.2)16,836 (21.5)
    Undifferentiated/anaplastic512 (0.9)36 (0.7)72 (0.8)19 (0.9)21 (0.5)6 (1.4)666 (0.9)
SES
    Lowest5,712 (8.7)2,237 (34.5)2,905 (29.2)310 (12.4)689 (13.5)90 (13.1)11,943 (13.2)
    Second lowest11,363 (17.3)1,633 (25.2)2,544 (25.6)387 (15.5)980 (19.2)133 (19.3)17,040 (18.9)
    Middle14,947 (22.8)1,271 (19.6)1,989 (20)390 (15.6)1,062 (20.8)150 (21.8)19,809 (21.9)
    High16,048 (24.5)894 (13.8)1,480 (14.9)590 (23.6)1,222 (24)142 (20.6)20,376 (22.6)
    Highest17,488 (26.7)444 (6.9)1,027 (10.3)827 (33)1,146 (22.5)173 (25.2)21,105 (23.4)
Surgery
    No3,679 (5.6)580 (9.0)619 (6.2)132 (5.3)264 (5.2)77 (11.2)5,351 (5.9)
    Yes61,868 (94.4)5,897 (91.1)9,325 (93.8)2,371 (94.7)4,834 (94.8)610 (88.8)84,905 (94.1)
Chemotherapy as first line
    No47,740 (75.3)4,509 (71.9)6,511 (68.2)1,735 (71.9)3,258 (66.9)590 (88.2)64,343 (73.8)
    Yes15,705 (24.8)1,761 (28.1)3,037 (31.8)679 (28.1)1,615 (33.1)79 (11.8)22,876 (26.2)
Radiation
    No64,332 (98.1)6,369 (98.3)9,682 (97.4)2,445 (97.6)4,958 (97.2)684 (99.4)88,470 (98)
    Yes1,225 (1.9)110 (1.7)263 (2.6)59 (2.4)141 (2.8)4 (0.6)1,802 (2.0)
B. Rectal cancer
White (n = 26,181), n (%)
Black (n = 2,056), n (%)
Hispanic (n = 4,998), n (%)
Chinese (n = 1,060), n (%)
Non-Chinese Asian (n = 2,851), n (%)
Other (n = 386), n (%)
Total (N = 37,532), n (%)
Gender
    Male14,697 (56.1)1,103 (53.7)2,947 (59)612 (57.7)1,628 (57.1)211 (54.7)21,198 (56.5)
    Female11,484 (43.9)953 (46.4)2,051 (41)448 (42.3)1,223 (42.9)175 (45.3)16,334 (43.5)
Stage
    I9,574 (36.6)722 (35.1)1,671 (33.4)393 (37.1)1,020 (35.8)226 (58.6)13,606 (36.3)
    IIA4,920 (18.8)360 (17.5)899 (18)190 (17.9)490 (17.2)21 (5.4)6,880 (18.3)
    IIB1,205 (4.6)99 (4.8)290 (5.8)42 (4.0)120 (4.2)5 (1.3)1,761 (4.7)
    IIIA811 (3.1)54 (2.6)125 (2.5)30 (2.8)97 (3.4)4 (1.0)1,121 (3.0)
    IIIB2,447 (9.4)194 (9.4)507 (10.1)119 (11.2)305 (10.7)10 (2.6)3,582 (9.5)
    IIIC1,710 (6.5)141 (6.9)400 (8.0)82 (7.7)240 (8.4)12 (3.1)2,585 (6.9)
    IV3,804 (14.5)350 (17)820 (16.4)145 (13.7)434 (15.2)23 (6.0)5,576 (14.9)
Histologic subtype
    Adenocarcinoma23,223 (88.7)1,603 (78)4,176 (83.6)910 (85.9)2,394 (84)286 (74.1)32,592 (86.8)
    Mucinous adenocarcinoma1,561 (6.0)155 (7.5)352 (7.0)64 (6.0)163 (5.7)9 (2.3)2,304 (6.1)
    Other1,397 (5.3)298 (14.5)470 (9.4)86 (8.1)294 (10.3)91 (23.6)2,636 (7.0)
Colon site
    Rectosigmoid8,628 (33)676 (32.9)1,628 (32.6)352 (33.2)899 (31.5)80 (20.7)12,263 (32.7)
    Rectum17,553 (67)1,380 (67.1)3,370 (67.4)708 (66.8)1,952 (68.5)306 (79.3)25,269 (67.3)
Age category
    0-39554 (2.1)67 (3.3)336 (6.7)28 (2.7)152 (5.3)10 (2.6)1,147 (3.0)
    40-491,825 (7)249 (12.1)577 (11.5)123 (11.6)320 (11.2)44 (11.4)3,138 (8.4)
    50-594,244 (16.2)442 (21.5)1,044 (20.9)219 (20.7)644 (22.6)95 (24.6)6,688 (17.8)
    60-696,363 (24.3)581 (28.3)1,334 (26.7)229 (21.6)735 (25.8)103 (26.7)9,345 (24.9)
    70+13,195 (50.4)717 (34.9)1,707 (34.2)461 (43.5)1,000 (35.1)134 (34.7)17,214 (45.9)
Histologic grade
    Well differentiated2,402 (11.2)146 (9.5)470 (11.7)56 (6.6)189 (8.3)36 (21.6)3,299 (10.9)
    Moderately differentiated15,306 (71.2)1,098 (71.4)2,828 (70.5)617 (72.8)1,624 (71.3)108 (64.7)21,581 (71.1)
    Poorly differentiated3,645 (17)275 (17.9)687 (17.1)169 (19.9)452 (19.9)22 (13.2)5,250 (17.3)
    Undifferentiated/anaplastic153 (0.7)19 (1.2)28 (0.7)6 (0.7)12 (0.5)1 (0.6)219 (0.7)
SES
    Lowest2,506 (9.6)698 (34)1,544 (30.9)112 (10.6)386 (13.5)51 (13.2)5,297 (14.1)
    Second lowest4,706 (18)530 (25.8)1,285 (25.7)154 (14.5)547 (19.2)66 (17.1)7,288 (19.4)
    Middle5,915 (22.6)411 (20)989 (19.8)174 (16.4)605 (21.2)94 (24.4)8,188 (21.8)
    High6,340 (24.2)265 (12.9)714 (14.3)278 (26.2)645 (22.6)96 (24.9)8,338 (22.2)
    Highest6,714 (25.6)152 (7.4)466 (9.3)342 (32.3)668 (23.4)79 (20.5)8,421 (22.4)
Surgery
    No2,938 (11.2)314 (15.3)661 (13.2)95 (9)319 (11.2)69 (17.9)4,396 (11.7)
    Yes23,232 (88.8)1,741 (84.7)4,337 (86.8)964 (91)2,531 (88.8)316 (82.1)33,121 (88.3)
Chemotherapy as first line
    No16,341 (64.2)1,296 (64.7)2,770 (57.4)644 (63)1,576 (57.3)331 (88.5)22,958 (63)
    Yes9,131 (35.9)706 (35.3)2,059 (42.6)378 (37)1,177 (42.8)43 (11.5)13,494 (37)
Radiation
    No18,411 (70.3)1,476 (71.8)3,300 (66)758 (71.5)1,898 (66.6)353 (91.5)26,196 (69.8)
    Yes7,769 (29.7)580 (28.2)1,698 (34)302 (28.5)953 (33.4)33 (8.6)11,335 (30.2)