Table 1.
The number of patients in the cohort, the number with cancer, and the cancer incidence for males, females, 40–69 year olds, and ≥70 year olds, in the microcytosis and normal MCV cohorts
| Microcytosis | Normal MCV | |||||
|---|---|---|---|---|---|---|
| N | With cancer | Cancer incidence, % (95% CI) | N | With cancer | Cancer incidence, % (95% CI) | |
| Males | 4800 | 298 | 6.21 (5.54 to 6.93)a | 34 653 | 940 | 2.71 (2.54 to 2.89) |
| Females | 7489 | 199 | 2.66 (2.30 to 3.05) | 38 497 | 525 | 1.36 (1.25 to 1.48) |
| Aged 40–69 | 4647 | 125 | 2.69 (2.24 to 3.20) | 32 631 | 437 | 1.34 (1.22 to 1.47) |
| Aged 70 | 7642 | 372 | 4.87 (4.40 to 5.37)a | 40 519 | 1028 | 2.54 (2.39 to 2.69) |
a
Incidence >3% NICE threshold for referral. MCV = mean cell volume. NICE = National Institute for Health and Care Excellence.