Table 2.
Haematology profile and iron measurements according to HF group during 2013/14
| Hb by WHO grade | N | F done (yes vs no) |
F <30 µg/L (% of all/% of those tested) |
F <100 µg/L (% of all/% of those tested) |
S. iron done (yes vs no) |
S. iron ≤13 µmol/L (% of all/% of those tested) |
TSAT done (yes vs no) | TSAT <20 % (% of all/% of those tested) |
MCV <80 fl | |
| Not HF | Not done | 42 206 (23%) | 184 (0%) | 16 (<1%/9%) | 82 (<1%/45%) | 39 (0%) | 19 (<1%/49%) | 38 (0%) | 11 (<1%/29%) | 0 (NA%) |
| >4 | 1447 (1%) | 310 (21%) | 13 (1%/4%) | 93 (6%/30%) | 68 (5%) | 14 (1%/21%) | 67 (5%) | 10 (1%/15%) | 6 (0%) | |
| >3 to 4 | 6469 (4%) | 1316 (20%) | 59 (1%/4%) | 480 (7%/36%) | 204 (3%) | 47 (1%/23%) | 204 (3%) | 40 (1%/20%) | 29 (0%) | |
| >1 to 3 | 56 341 (31%) | 13 733 (24%) | 1370 (2%/10%) | 7006 (12%/51%) | 2105 (4%) | 691 (1%/33%) | 2085 (4%) | 593 (1%/28%) | 596 (1%) | |
| ≥0 to 1 | 35 393 (19%) | 11 422 (32%) | 2087 (6%/18%) | 6968 (20%/61%) | 2037 (6%) | 1002 (3%/49%) | 2018 (6%) | 838 (2%/42%) | 971 (3%) | |
| <0 to 1 | 18 938 (10%) | 9125 (48%) | 2486 (13%/27%) | 5902 (31%/65%) | 1912 (10%) | 1249 (7%/65%) | 1900 (10%) | 1060 (6%/56%) | 1226 (6%) | |
| <−1 to 2 | 10 706 (6%) | 7130 (67%) | 2492 (23%/35%) | 4753 (44%/67%) | 2142 (20%) | 1655 (15%/77%) | 2128 (20%) | 1436 (13%/67%) | 1303 (12%) | |
| <−2 | 11 317 (6%) | 8742 (77%) | 3554 (31%/41%) | 5692 (50%/65%) | 3805 (34%) | 3129 (28%/82%) | 3789 (33%) | 2778 (25%/73%) | 3018 (27%) | |
| Incident HF | Not done | 80 (2%) | <6 (NA%) | 0 (0%/0%) | 0 (0%/0%) | 0 (0%) | 0 (NA%/NA%) | 0 (0%) | 0 (0%/0%) | 0 (NA%) |
| >4 | 21 (1%) | 9 (43%) | 0 (0%/0%) | <6 (NA%/NA%) | <6 (NA%) | <6 (NA%/NA%) | <6 (NA%) | <6 (NA%/NA%) | 0 (0%) | |
| >3 to 4 | 83 (2%) | 23 (28%) | 0 (0%/0%) | <6 (NA%/NA%) | 9 (11%) | <6 (NA%/NA%) | 9 (11%) | <6 (NA%/NA%) | <6 (NA%) | |
| >1 to 3 | 689 (19%) | 217 (31%) | 10 (1%/5%) | 87 (13%/40%) | 58 (8%) | 34 (5%/59%) | 58 (8%) | 33 (5%/57%) | 11 (2%) | |
| ≥0 to 1 | 762 (21%) | 316 (41%) | 46 (6%/15%) | 166 (22%/53%) | 84 (11%) | 59 (7%/70%) | 84 (11%) | 54 (7%/64%) | 35 (5%) | |
| <0 to 1 | 614 (17%) | 350 (57%) | 82 (13%/23%) | 191 (31%/55%) | 112 (18%) | 95 (15%/85%) | 110 (18%) | 77 (13%/70%) | 56 (9%) | |
| <−1 to 2 | 545 (15%) | 396 (73%) | 93 (17%/23%) | 242 (44%/61%) | 187 (34%) | 162 (30%/87%) | 186 (34%) | 146 (27%/78%) | 65 (12%) | |
| <−2 | 863 (24%) | 742 (86%) | 234 (27%/32%) | 489 (57%/66%) | 469 (54%) | 417 (48%/89%) | 467 (54%) | 383 (44%/82%) | 228 (26%) | |
| Prevalent HF | Not done | 1357 (13%) | 16 (1%) | <6 (NA%/NA%) | <6 (NA%/NA%) | 7 (1%) | <6 (NA%/NA%) | 7 (1%) | <6 (NA%/NA%) | 0 (NA%) |
| >4 | 78 (1%) | 11 (14%) | 0 (0%/0%) | <6 (NA%/NA%) | 0 (0%) | 0 (NA%/NA%) | 0 (0%) | 0 (0%/0%) | 0 (0%) | |
| >3 to 4 | 284 (3%) | 57 (20%) | <6 (NA%/NA%) | 23 (8%/40%) | 11 (4%) | <6 (NA%/NA%) | 11 (4%) | <6 (NA%/NA%) | <6 (NA%) | |
| >1 to 3 | 2503 (23%) | 638 (25%) | 43 (2%/7%) | 287 (11%/45%) | 117 (5%) | 58 (2%/50%) | 116 (5%) | 46 (2%/40%) | 29 (1%) | |
| ≥0 to 1 | 2140 (20%) | 752 (35%) | 103 (5%/14%) | 394 (18%/52%) | 143 (7%) | 87 (4%/61%) | 142 (7%) | 71 (3%/50%) | 63 (3%) | |
| <0 to −1 | 1675 (16%) | 815 (49%) | 181 (11%/22%) | 470 (28%/58%) | 203 (12%) | 134 (8%/66%) | 203 (12%) | 119 (7%/59%) | 93 (6%) | |
| <−1 to −2 | 1180 (11%) | 797 (68%) | 226 (19%/28%) | 500 (42%/63%) | 272 (23%) | 213 (18%/78%) | 270 (23%) | 181 (15%/67%) | 119 (10%) | |
| <−2 | 1461 (14%) | 1176 (80%) | 404 (28%/34%) | 766 (52%/65%) | 562 (38%) | 488 (33%/87%) | 561 (38%) | 435 (30%/78%) | 346 (24%) |
F, ferritin; Hb, haemoglobin; HF, heart failure; MCV, mean cell volume; NA, not available; S., serum; TSAT, transferrin saturation.