Table 2 Description of study population by gastrointestinal cancer status
From: Serum calcium and risk of gastrointestinal cancer in the Swedish AMORIS study
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/m 2 ) 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) |