Feature | BCH (n = 270) | ESCD (n = 262) | ESCC (n = 226) | Controls (n = 246) | x 2 (P c ) |
---|---|---|---|---|---|
Gender (n,%) | Â | Â | Â | Â | Â |
   Male | 185(68.5) | 151 (57.7) | 162 (71.7) | 125(50.8) | 29.062 |
   Female | 85(31.5) | 111 (42.3) | 64 (28.3) | 121(49.2) | (<0.001) |
Age(yr) (n,%) | Â | Â | Â | Â | |
   <50 | 70(26.0) | 40(15.3) | 38(16.8) | 142(57.7) | 150.471 |
   50- | 138(51.1) | 138(52.7) | 102(45.1) | 66(26.8) | (<0.001) |
   ≥60 | 62(23.0) | 84(32.1) | 86(38.1) | 38(15.4) |  |
School (yr) (n,%) | Â | Â | Â | Â | |
   ≤6 | 110 (40.9) | 148 (56.5) | 144 (63.7) | 102(41.5) | 39.792 |
   9 | 129(47.7) | 92 (35.1) | 72(31.9) | 120(48.8) | (<0.001) |
   ≥10 | 31(11.5) | 22 (8.4) | 10(4.4) | 24(9.8) |  |
Income per year ($) (n,%) | Â | Â | Â | Â | |
   <150 | 129(47.7) | 134 (51.1) | 98 (43.4) | 164(66.7) | 36.494 |
   150- | 117(43.4) | 92(35.1) | 94(41.6) | 66(26.8) | (<0.001) |
   ≥350 | 24(8.9) | 36(13.7) | 34(15.0) | 16(6.5) |  |
Smoking indexa(n,%) | Â | Â | Â | Â | |
   None | 109 (40.4) | 148 (56.9) | 80 (35.4) | 148(60.2) | 60.087 |
   <450 | 63 (23.4) | 38(14.6) | 36 (15.9) | 48(19.5) | (<0.001) |
   ≥450 | 98 (36.2) | 74(28.5) | 110 (48.7) | 50(20.3) |  |
Alcohol drinking Statusb(n,%) | Â | Â | Â | Â | |
   None | 114 (42.4) | 136 (53.1) | 76 (33.6) | 138(56.1) | 68.712 |
   <100 | 43(16.0) | 44(17.2) | 32 (14.2) | 62(25.2) | (<0.001) |
   ≥100 | 112(41.6) | 76(29.7) | 118 (52.2) | 46(18.7) |  |
Family history of esophagus cancer (n,%) | Â | Â | Â | ||
   None | 231 (85.5) | 2021(77.1) | 190(84.1) | 222(90.2) | 17.027 |
   yes | 39 (14.5) | 60(22.9) | 36(15.9) | 24(9.8) | (<0.001) |