Table 3.
Trend of haematinic and haemoglobin levels over 4 years of follow-up. Patients were grouped by baseline levels of deficiencies of vitamin B12, folate, iron, ferritin and haemoglobin
| Baseline | 4 months | 12 months | 24 months | 36 months | 48 months | |
|---|---|---|---|---|---|---|
| Vitamin B12 (pg/L) | ||||||
| All, not deficient (n = 235) | 417.98 | 621.82 | 671.29 | 716.60 | 676.03 | 646.47 |
| All, deficient (n = 19) | 180.47 | 529.93 | 622.92 | 763.70 | 579.90 | 473.00 |
| Men, not deficient (n = 62) | 409.42 | 580.27 | 598.38 | 541.57 | 530.13 | 395.60 |
| Men, deficient (n = 7) | 188.43 | 705.20 | 751.00 | 819.25 | 669.20 | 440.00 |
| Women, not deficient (n = 173) | 421.05 | 636.47 | 695.01 | 780.41 | 718.73 | 718.14 |
| Women, deficient (n = 12) | 175.83 | 442.30 | 566.00 | 726.67 | 490.60 | 522.50 |
| Folate (μg/L) | ||||||
| All, not deficient (n = 242) | 7.89 | 10.71 | 11.89 | 12.45 | 13.30 | 12.70 |
| All, deficient (n = 12) | 3.36 | 10.33 | 11.34 | 13.78 | 13.44 | 10.20 |
| Men, not deficient (n = 65) | 8.06 | 10.53 | 11.05 | 11.61 | 11.50 | 10.79 |
| Men, deficient (n = 3) | 3.80 | 14.48 | 14.60 | 19.80 | 24.10 | 16.10 |
| Women, not deficient (n = 177) | 7.83 | 10.77 | 12.16 | 12.75 | 13.90 | 13.35 |
| Women, deficient (n = 9) | 3.21 | 08.77 | 10.88 | 11.77 | 10.78 | 4.30* |
| Iron (μmol/L) | ||||||
| All, not deficient (n = 175) | 13.71 | 15.07 | 15.81 | 15.03 | 15.06 | 14.67 |
| All, deficient (n = 74) | 7.80 | 11.54 | 12.75 | 12.56 | 11.49 | 11.46 |
| Men, not deficient (n = 39) | 16.44 | 17.50 | 19.44 | 16.19 | 19.63 | 19.13 |
| Men, deficient (n = 26) | 9.27 | 12.57 | 16.77 | 14.56 | 14.88 | 14.62 |
| Women, not deficient (n = 136) | 12.93 | 14.40 | 14.88 | 14.71 | 13.93 | 13.60 |
| Women, deficient (n = 48) | 7.01 | 10.96 | 10.68 | 11.37 | 10.10 | 9.61 |
| Ferritin (μg/L) | ||||||
| All, not deficient (n = 227) | 119.52 | 156.92 | 178.33 | 184.93 | 194.24 | 178.20 |
| All, deficient (n = 2) | 11.50 | 44.00 | 31.00 | 8.00 | 8.00 | 5.00 |
| Men, not deficient (n = 95) | 179.14 | 189.47 | 191.03 | 205.64 | 215.35 | 175.24 |
| Men, deficient (n = 1) | 15.00 | 46.00 | 31.00 | 8.00 | 8.00 | 6.00 |
| Women, not deficient (n = 132) | 99.65 | 132.65 | 169.86 | 170.34 | 182.03 | 179.81 |
| Women, deficient (n = 1) | 8.00 | 42.00 | – | – | 8.00 | 4.00 |
| Haemoglobin (g/L) | ||||||
| All, not low (n = 342) | 138.77 | 140.10 | 136.71 | 136.53 | 136.31 | 134.33 |
| All, low (n = 9) | 104.89 | 117.86 | 119.17 | 123.50 | 117.33 | 120.00 |
| Men, not low (n = 95) | 149.43 | 148.54 | 146.06 | 147.75 | 149.03 | 145.82 |
| Men, low (n = 1) | 118.00 | 129.00 | 129.00 | 141.00 | 132.00 | 128.00 |
| Women, not low (n = 247) | 134.67 | 136.84 | 133.46 | 132.45 | 132.18 | 130.74 |
| Women, low (n = 8) | 103.25 | 116.00 | 117.20 | 120.00 | 114.40 | 117.33 |
Values reported as mean
*Data available for one patient only