Table 1 Baseline characteristics of UHFLM, UTCLM and USFLM patients
Variables | Total | UHFLM | UTCLM | USFLM |
|---|---|---|---|---|
1960 | 556 | 1008 | 396 | |
Age | ||||
 ≤64 | 920 | 249(44.8) | 458(45.4) | 213(53.8) |
 65–76 | 567 | 167(30.0) | 301(29.9) | 99(25.0) |
 ≥77 | 473 | 140(25.2) | 249(24.7) | 84(21.2) |
Gender | ||||
 Female | 882 | 242(43.5) | 458(45.4) | 182(46.0) |
 Male | 1078 | 314(56.5) | 550(54.6) | 214(54.0) |
Race | ||||
 White | 1416 | 406(73.0) | 729(72.3) | 281(71.0) |
 Black | 376 | 100(18.0) | 200(19.8) | 76(19.2) |
 Other | 168 | 50(9.0) | 79(7.8) | 39(9.8) |
Year of diagnosis | ||||
 2010–2011 | 631 | 183(32.9) | 311(30.9) | 137(34.6) |
 2012–2013 | 650 | 176(31.7) | 345(34.2) | 129(32.6) |
 2014–2015 | 679 | 197(35.4) | 352(34.9) | 130(32.8) |
Marital status | ||||
 Unmarried | 968 | 265(477) | 516(51.2) | 187(47.2) |
 Married | 992 | 291(523) | 492(48.8) | 209(52.8) |
MHI (in tens) | ||||
 1926–5768 | 767 | 209(37.6) | 402(39.9) | 156(39.4) |
 5769–7177 | 650 | 196(35.3) | 325(32.2) | 129(32.6) |
 7178–11,097 | 543 | 151(27.2) | 281(27.9) | 111(28.0) |
Grade | ||||
 I + II | 1049 | 272(48.9) | 551(54.7) | 226(57.1) |
 III + IV | 492 | 151(27.2) | 253(25.1) | 88(22.2) |
 Unknown | 419 | 133(23.9) | 204(20.2) | 82(20.7) |
T stage | ||||
 T1 + T2 + T3 | 866 | 212(38.1) | 479(47.5) | 175(44.2) |
 T4 | 554 | 143(25.7) | 278(27.6) | 133(33.6) |
 Unknown | 540 | 201(36.2) | 251(24.9) | 88(22.2) |
N stage | ||||
 N0 | 628 | 179(32.2) | 321(31.8) | 128(32.3) |
 N1 + N2 | 1103 | 295(53.1) | 584(57.9) | 224(56.6) |
 Unknown | 229 | 82(14.7) | 103(10.2) | 44(11.1) |
Tumor size | ||||
  ≤5 cm | 671 | 175(31.5) | 360(35.7) | 136(34.3) |
 >  5 cm | 691 | 167(30.0) | 374(37.1) | 150(37.9) |
 Unknown | 598 | 214(38.5) | 274(27.2) | 110(27.8) |
CEA | ||||
 Negative | 196 | 52(9.4) | 115(11.4) | 29(7.3) |
 Positive | 1204 | 352(63.3) | 609(60.4) | 243(61.4) |
 Unknown | 560 | 152(27.3) | 284(28.2) | 124(31.3) |
PTR | ||||
 No | 932 | 329(59.2) | 445(44.1) | 158(39.9) |
 Yes | 1028 | 227(40.8) | 563(55.9) | 238(60.1) |
Chemotherapy | ||||
 No | 763 | 223(40.1) | 396(39.3) | 144(36.4) |
 Yes | 1197 | 333(59.9) | 612(60.7) | 252(63.6) |