Variable | Percent (n) with GI malignancy | OR (p value) | Percent (n) with any GI diagnosis | OR (p value) |
---|---|---|---|---|
Sex | ||||
Female | 5.1 (22) | RC | 24.7 (107) | RC |
Male | 16.0 (46) | 3.6 (<0.001) | 39.0 (112) | 2.0 (<0.001) |
Age/years | ||||
≤70 | 4.2 (12) | RC | 24.8 (71) | RC |
>70 | 12.9 (56) | 3.4 (<0.001) | 34.1 (148) | 1.6 (0.008) |
Haemoglobin/g/L | (<0.001) | (0.090) | ||
Q1 : ≥111.5 | 5.2 (9) | RC | 28.2 (49) | RC |
Q2 : 102.5–111.4 | 5.6 (10) | 1.1 (0.863) | 27.4 (49) | 1.0 (0.869) |
Q3 : 91.5–102.4 | 9.1 (16) | 1.8 (0.160) | 27.8 (49) | 1.0 (0.947) |
Q4 : ≤91.4 | 17.3 (33) | 3.8 (0.001) | 37.7 (72) | 1.5 (0.054) |
Mean red cell volume/fl | (0.114) | (0.126) | ||
Q1 : >84.3 | 6.8 (12) | RC | 26.6 (47) | RC |
Q2 : 77.8–84.3 | 9.3 (17) | 1.4 (0.383) | 33.3 (61) | 1.4 (0.161) |
Q3 : 72.5–77.8 | 7.6 (13) | 1.1 (0.755) | 25.9 (44) | 1.0 (0.887) |
Q4 : <72.5 | 13.7 (26) | 2.2 (0.033) | 35.3 (67) | 1.5 (0.072) |
Iron deficiency – severe | ||||
No | 8.5 (18) | RC | 29.7 (63) | RC |
Yes | 8.7 (38) | 1.0 (0.924) | 28.7 (125) | 1.0 (0.783) |
GI, gastrointestinal; RC, reference category; p values are based on logistic regression, with each variable added individually; Q—quartile.