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. 2013 Jul 17;13:663. doi: 10.1186/1471-2458-13-663

Table 2.

Description of study population by gastrointestinal cancer status

  Oesophageal cancer
Stomach cancer
Colon cancer
Rectal cancer
Colorectal cancer
All
(n = 323) (n = 782) (n = 2519) (n = 1495) (n = 4014) (n = 492044)
Age (years) - Mean (SD)
56.07 (10.63)
58.72 (11.80)
58.93 (11.61)
57.38 (11.02)
58.36 (11.42)
44.62 (14.11)
Sex
 
 
 
 
 
 
  Male
237 (71.39)
501 (62.47)
1394 (54.09)
926 (60.76)
2320 (56.57)
260469 (52.94)
  Female
95 (28.61)
301 (37.53)
1183 (45.91)
598 (39.24)
1781 (43.43)
231575 (47.06)
SES
 
 
 
 
 
 
  White Collar
112 (33.73)
262 (32.67)
946 (36.71)
583 (38.25)
1529 (37.28)
182488 (37.09)
  Blue Collar
162 (48.80)
359 (44.76)
1063 (41.25)
684 (44.88)
1747 (42.60)
231088 (46.96)
  Not gainfully employed or Missing
58 (17.47)
181 (22.57)
568 (22.04)
257 (16.86)
825 (20.12)
78468 (15.95)
Follow-up time (years) - Mean (SD)
8.06 (4.71)
7.73 (4.62)
8.46 (4.64)
8.44 (4.51)
8.46 (4.59)
12.55 (3.94)
Calcium (mmol/L) - Mean (SD)
2.40 (0.11)
2.38 (0.10)
2.39 (0.10)
2.39 (0.10)
2.39 (0.10)
2.39 (0.10)
Calcium according to age-specific cut-offs
 
 
 
 
 
 
  Low
2 (0.60)
9 (1.12)
17 (0.66)
13 (0.85)
30 (0.73)
4025 (0.82)
  Normal
320 (96.39)
778 (97.01)
2508 (97.32)
1477 (96.92)
3985 (97.17)
479026 (97.35)
  High
10 (3.10)
15 (1.87)
52 (2.02)
34 (2.23)
86 (2.10)
8993 (1.83)
Corrected Calcium (mmol/L) - Mean (SD)
2.35 (0.10)
2.34 (0.09)
2.35 (0.09)
2.34 (0.09)
2.35 (0.09)
2.32 (0.09)
Albumin (g/L) Mean (SD)
42.11 (2.97)
41.82 (2.75)
41.92 (2.69)
42.28 (2.68)
42.05 (2.69)
43.18 (2.84)
BMI (kg/m2)1
 
 
 
 
 
 
  < 25
17 (58.62)
40 (50.63)
141 (50.72)
96 (55.49)
237 (52.55)
38517 (61.11)
  ≥ 25
12 (41.38)
39 (49.37)
137 (49.28)
77 (44.51)
214 (47.45)
24511 (38.89)
Charlson Comorbidity Index
 
 
 
 
 
 
  0
273 (82.23)
666 (83.04)
2199(85.33)
1312 (86.09)
3511 (85.61)
454237 (92.32)
  1
30 (9.04)
77 (9.60)
190 (7.37)
113 (7.41)
303 (7.39)
20669 (4.20)
  2
19 (5.72)
42 (5.24)
143 (5.55)
77 (5.05)
220 (5.36)
12869 (2.62)
  3+ 10 (3.01) 17 (2.12) 45 (1.75) 22 (1.44) 67 (1.63) 4269 (0.87)

1Measured in subcohort with BMI measurement.