Table 3. Clinical Characteristics According to Interval Between IDA and Colon Cancer Diagnosis.
| Days of colonoscopic examinations after IDA diagnosis | p-value | |||
| 0–30 | 31–90 | ≥91 | ||
| (n = 489) | (n = 143) | (n = 383) | ||
| Number (%) | Number (%) | Number (%) | ||
| Age, years (mean ± SD) | 71.9±8.8 | 73.0±7.8 | 73.9±8.1 | 0.003a |
| 55–64 | 109 (22.3) | 25 (17.5) | 47 (12.3) | |
| 65–74 | 176 (36.0) | 56 (39.2) | 157 (41.0) | |
| ≥75 | 204 (41.7) | 62 (43.4) | 179 (46.7) | |
| Gender | 0.97b | |||
| Female | 264 (54.0) | 78 (54.5) | 210 (54.8) | |
| Male | 225 (46.0) | 65 (45.5) | 173 (45.2) | |
| Hypertension | 213 (43.6) | 64 (44.8) | 220 (57.4) | 0.0001b |
| DM | 122 (24.9) | 37 (25.9) | 123 (32.1) | 0.06b |
| Hyperlipidemia | 62 (12.7) | 23 (16.1) | 70 (18.3) | 0.07b |
| CVD | 262 (53.6) | 88 (61.5) | 281 (73.4) | <0.0001b |
| CKD | 14 (2.9) | 5 (3.5) | 24 (6.3) | 0.04b |
| Stage | 0.95b | |||
| I/II | 140 (28.6) | 39 (27.3) | 108 (28.2) | |
| III/IV | 349 (71.4) | 104 (72.7) | 275 (71.8) | |
IDA: iron deficiency anemia; SD: standard deviation; DM: diabetes mellitus; CVD: cardiovascular disease; CKD: chronic kidney disease.
a
indicates an ANOVA test;
b
indicates a chi-squared.