Table 1.
Baseline characteristics of study population.
| Oesophageal cancer (n = 318) |
Stomach cancer (n = 776) |
Colon cancer (n = 2472) |
Rectal cancer (n = 1510) |
All (n = 540309) |
|
|---|---|---|---|---|---|
| Age | |||||
| Mean (SD) | 55.75 (10.46) | 57.83 (11.80) | 57.93 (11.60) | 56.75 (10.82) | 43.84 (13.83) |
| Gender | |||||
| Male | 234 (73.58) | 497 (64.05) | 1375 (55.62) | 938 (62.12) | 290294 (53.73) |
| Female | 84 (26.42) | 279 (35.95) | 1097 (44.38) | 572 (37.88) | 250015 (46.27) |
| Socioeconomic status | |||||
| White collar | 110 (34.59) | 248 (31.96) | 915 (37.01) | 577 (38.21) | 200231 (37.06) |
| Blue collar | 154 (48.43) | 372 (47.94) | 1059 (42.84) | 700 (46.36) | 256413 (47.46) |
| Not gainfully employed or missing | 54 (16.98) | 156 (20.10) | 498 (20.15 | 233 (15.43) | 83665 (15.48) |
| Mean follow-up time (year) | 8.09 (4.73) | 7.62 (4.68) | 8.50 (4.67) | 8.53 (4.54) | 12.31 (4.13) |
| Fasting status | |||||
| Fasting | 183 (57.55) | 473 (60.95) | 1534 (62.06) | 953 (63.11) | 298337 (55.22) |
| Not fasting | 15 (4.72) | 48 (6.19) | 147 (5.95) | 96 (6.36) | 78318 (14.50) |
| Missing | 120 (37.74) | 255 (32.86) | 791 (32.00) | 461 (30.53) | 163654 (30.29) |
| Glucose (mmol/L) | |||||
| Mean (SD) | 5.49 (2.07) | 5.36 (1.81) | 5.27 (1.50) | 5.26 (1.56) | 4.97 (1.25) |
| Total cholesterol (mmol/L) | |||||
| Mean (SD) | 5.90 (1.17) | 6.00 (1.26) | 6.05 (1.16) | 6.11 (1.17) | 5.55 (1.16) |
| Triglycerides (mmol/L) | |||||
| Mean (SD) | 1.72 (1.37) | 1.48 (0.94) | 1.49 (0.95) | 1.47 (1.03) | 1.31 (0.99) |
| LDL cholesterol (mmol/L)a | |||||
| Mean (SD) | 3.40 (1.15) | 3.90 (1.11) | 3.88 (1.03) | 3.93 (1.05) | 3.59 (1.08) |
| HDL cholesterol (mmol/L)a | |||||
| Mean (SD) | 1.49 (0.42) | 1.52 (0.45) | 1.55 (0.48) | 1.57 (0.49) | 1.53 (0.44) |
| Apolipoprotein B (mmol/L)a | |||||
| Mean (SD) | 1.23 (0.35) | 1.33 (0.30) | 1.35 (0.34) | 1.33 (0.33) | 1.22 (0.34) |
| Apolipoprotein A-I (mmol/L)a | |||||
| Mean (SD) | 1.46 (0.22) | 1.43 (0.25) | 1.46 (0.25) | 1.46 (0.26) | 1.43 (0.23) |
| LDL/HDLa | |||||
| Mean (SD) | 2.76 (2.17) | 2.86 (1.27) | 2.84 (1.42) | 2.84 (1.48) | 2.68 (1.59) |
| Total cholesterol/HDLa | |||||
| Mean (SD) | 4.04 (1.69) | 4.37 (1.68) | 4.39 (1.87) | 4.38 (1.95) | 4.15 (2.13) |
| Triglycerides/HDLa | |||||
| Mean (SD) | 1.81 (3.93) | 1.18 (1.12) | 1.25 (1.32) | 1.21 (1.28) | 1.16 (1.74) |
| ApoB/ApoA-Ia | |||||
| Mean (SD) | 0.86 (0.28) | 0.96 (0.26) | 0.96 (0.31) | 0.94 (0.30) | 0.88 (0.30) |
| BMI (kg/m2)b | |||||
| <18.5 | 3 (6.82) | 2 (1.77) | 6 (1.58) | 1 (0.43) | 1608 (1.80) |
| 18.5–25 | 17 (38.64) | 54 (47.79) | 196 (51.58) | 123 (52.34) | 52509 (58.90) |
| 25–30 | 20 (45.45) | 40 (35.40) | 139 (36.58) | 85 (36.17) | 28339 (31.79) |
| ≥30 | 4 (9.09) | 17 (15.04) | 39 (10.26) | 26 (11.06) | 6697 (7.51) |
aMeasured in Subcohort B.
bMeasured in Subcohort A.