Table 3.

Therapy for CRC by race, controlling for stage; incident cases, January 1994 to December 2003

A. Colon cancer
WhiteBlackHispanicChineseNon-Chinese Asian
Stage I (n = 21,277)
    Surgery (P < 0.0001)
        No587 (3.7)78 (5.4)78 (3.7)24 (3.9)35 (3.1)
        Yes15,108 (96.3)1,358 (94.6)2,052 (96.3)585 (96.1)1,084 (96.9)
    Chemotherapy as first line (P = 0.0002)
        No15,386 (98.5)1,406 (98.5)2,079 (98.1)584 (96.7)1,080 (97.2)
        Yes231 (1.5)21 (1.5)40 (1.9)20 (3.3)31 (2.8)
    Radiation (P = 0.16)
        No15,663 (99.8)1,436 (99.9)2,123 (99.7)605 (99.3)1,117 (99.8)
        Yes36 (0.2)1 (0.07)7 (0.3)4 (0.7)2 (0.2)
Stage II (n = 28,034)
    Surgery (P = 0.58)
        No356 (1.7)35 (2)60 (2)9 (1.2)23 (1.6)
        Yes20,574 (98.3)1,676 (98)2,993 (98)735 (98.8)1,444 (98.4)
    Chemotherapy as first line (P < 0.0001)
        No16,672 (82)1,302 (78.8)2,169 (74)549 (75.6)1,033 (73.3)
        Yes3,650 (18)351 (21.2)760 (26)177 (24.4)377 (26.7)
    Radiation (P < 0.0001)
        No20,481 (97.9)1,677 (98)2,944 (96.4)727 (97.7)1,422 (96.9)
        Yes449 (2.1)35 (2)109 (3.6)17 (2.3)45 (3.1)
Stage III (n = 20,383)
    Surgery (P = 0.097)
        No28 (0.2)7 (0.5)10 (0.4)1 (0.2)5 (0.4)
        Yes14,521 (99.8)1,419 (99.5)2,339 (99.6)613 (99.8)1,351 (99.6)
    Chemotherapy as first line (P < 0.0001)
        No6,727 (49)614 (45.4)891 (40.5)269 (47.5)501 (40.2)
        Yes6,979 (51)740 (54.6)1,308 (59.5)297 (52.5)744 (59.8)
    Radiation (P = 0.008)
        No14,163 (97.4)1,400 (98.2)2,272 (96.7)594 (96.7)1,302 (96)
        Yes386 (2.6)26 (1.8)77 (3.3)20 (3.3)54 (4)
Stage IV (n = 15,509)
    Surgery (P < 0.0001)
        No2,538 (23.3)434 (30.3)444 (23.9)84 (21.5)189 (21.1)
        Yes8,346 (76.7)998 (69.7)1,416 (76.1)307 (78.5)706 (78.9)
    Chemotherapy as first line (P < 0.0001)
        No5,497 (53.3)715 (52.4)823 (47)188 (50.4)385 (45.5)
        Yes4,821 (46.7)649 (47.6)926 (53)185 (49.6)462 (54.5)
    Radiation (P = 0.14)
        No10,541 (96.8)1,385 (96.7)1,792 (96.3)374 (95.4)856 (95.5)
        Yes347 (3.2)47 (3.3)69 (3.7)18 (4.6)40 (4.5)
B. Rectal cancer
Stage I (n = 13,601)
    Surgery (P < 0.0001)
        No618 (6.5)74 (10.2)121 (7.2)20 (5.1)69 (6.8)
        Yes8,948 (93.5)648 (89.8)1,550 (92.8)372 (94.9)950 (93.2)
    Chemotherapy as first line (P < 0.0001)
        No8,209 (86.5)643 (89.8)1,410 (85)349 (89.7)882 (87.8)
        Yes1,278 (13.5)73 (10.2)248 (15)40 (10.3)123 (12.2)
    Radiation (P < 0.0001)
        No7,987 (83.5)626 (86.7)1,383 (82.8)342 (87)875 (85.9)
        Yes1,582 (16.5)96 (13.3)288 (17.2)51 (13)144 (14.1)
Stage II (n = 8,607)
    Surgery (P = 0.07)
        No571 (9.4)47 (10.3)141 (11.9)16 (6.9)63 (10.4)
        Yes5,534 (90.6)409 (89.7)1,040 (88.1)216 (93.1)544 (89.6)
    Chemotherapy as first line (P < 0.0001)
        No3,170 (53.5)242 (53.9)496 (43.6)114 (51.4)248 (42.9)
        Yes2,752 (46.5)207 (46.1)642 (56.4)108 (48.6)330 (57.1)
    Radiation (P < 0.0001)
        No3,397 (55.6)251 (55)579 (49)129 (55.6)291 (47.9)
        Yes2,708 (44.4)205 (45)602 (51)103 (44.4)316 (52.1)
Stage III (n = 7,288)
    Surgery (P = 0.56)
        No12 (0.2)04 (0.4)1 (0.4)0
        Yes4,956 (99.8)389 (100)1,028 (99.6)230 (99.6)642 (100)
    Chemotherapy as first line (P < 0.0001)
        No1,631 (34.6)127 (34.5)261 (27)65 (30.1)151 (25)
        Yes3,089 (65.4)241 (65.5)705 (73)151 (69.9)452 (75)
    Radiation (P = 0.005)
        No2,536 (51.1)206 (53)479 (46.4)125 (54.1)290 (45.2)
        Yes2,432 (48.9)183 (47)553 (53.6)106 (45.9)352 (54.8)
Stage IV (n = 5,576)
    Surgery (P = 0.005)
        No1,624 (42.8)181 (51.9)373 (45.5)56 (38.6)173 (40)
        Yes2,175 (57.2)168 (48.1)447 (54.5)89 (61.4)260 (60)
    Chemotherapy as first line (P = 0.012)
        No1,628 (45.1)148 (44.8)317 (41)58 (42.6)152 (36.3)
        Yes1,983 (54.9)182 (55.2)456 (59)78 (57.4)267 (63.7)
    Radiation (P = 0.20)
        No2,788 (73.3)258 (73.7)573 (69.9)103 (71)299 (68.9)
        Yes1,016 (26.7)92 (26.3)247 (30.1)42 (29)135 (31.1)