Table 2 Haemoglobin results in cases and controls, by sex
Men | Women | |||||
|---|---|---|---|---|---|---|
Haemoglobin band (g dl−1) | Number (%) in cases | Number (%) in controls | Positive likelihood ratio (CI) | Number (%) in cases | Number (%) in controls | Positive likelihood ratio (CI) |
<9.0 | 178 (5.2) | 47 (0.2) | 27 (19, 36) | 221 (7.3) | 36 (0.2) | 43 (30, 61) |
9.0–9.9 | 118 (3.5) | 49 (0.2) | 17 (12, 23) | 146 (4.8) | 85 (0.4) | 12 (9.2, 16) |
10.0–10.9 | 129 (3.8) | 131 (0.6) | 6.9 (5.4, 8.8) | 226 (7.5) | 225 (1.1) | 7.0 (5.9, 8.4) |
11.0–11.9 | 171 (5.0) | 293 (1.2) | 4.1 (3.4, 4.9) | 238 (7.9) | 616 (2.9) | 2.7 (2.3, 3.1) |
12.0–12.9 | 203 (5.9) | 572 (2.4) | 2.5 (2.1, 2.9) | 289 (9.6) | 1337 (6.3) | 1.5 (1.3, 1.7) |
>12.9 | 805 (23.5) | 4131 (17.3) | 1.4 (1.3, 1.5) | 459 (15.2) | 2992 (14.2) | 1.1 (0.98, 1.2) |
Unmeasured | 1817 (53.1) | 18 705 (78.2) | 1442 (47.7) | 15 847 (75.0) | ||
Total | 3421 | 23 928 | 3021 | 21 138 | ||
