Skip to main content

Table 2 Comparison of clinical indices between primary care eating disorder patients and general population

From: A retrospective analysis of biochemical and haematological parameters in patients with eating disorders

Parameter Unit of measure Reference interval Population mean (SD) Study mean (SD) Study result range t score p-value
Cholesterol mmol/L 3.9–5.5 4.7 (±0.4) 4.74 (±1.03) 2.7 to 8.5 0.41 0.68
Body mass index Kg/m2 18.5–24.9 21.75(±1.63) 18.14 (±3.11) 12.7 to 30.4 −11.55 ≤0.001
Red cell folatea nmol/L 776–1784 1280 (±252) 2055 (±584) 627 to 4103 11.73 ≤0.001
Vitamin B12 pmol/L 138–652 393 (±126) 502 (±278) 142 to 1480 3.77 ≤0.001
Magnesium mmol/L 0.7–1.1 0.9 (±0.1) 0.84 (±0.08) 0.7 to 1.1 −7.87 ≤0.001
Manganese nmol/L 10.0–45.0 27.5 (±8.75) 8.3 (±3.07) 4.0 to 21.0 −65.39 ≤0.001
Zinc umol/L 9.0–19.0 14.0 (±2.5) 11.31 (±1.88) 6.7 to 18.5 −17.46 ≤0.001
Calcium mmol/L 2.1–2.55 2.33 (±0.11) 2.31 (±0.10) 2.11 to 2.51 2.08 ≤0.05
Potassium mmol/L 3.5–5.5 4.5 (±0.50) 4.14 (±0.50) 2.5 to 5.8 −7.48 ≤0.001
Urate mmol/L 0.15–0.4 0.28 (±0.06) 0.25 (±0.08) 0.13 to 0.48 −3.9 ≤0.001
Sodium mmol/L 135–145 140 (±2.5) 139.13 (±2.91) 130 to 145 −3.1 ≤0.01
Albumin g/L 37.0–48.0 42.5 (±2.75) 45.72 (±3.4) 41.0 to 53.0 9.8 ≤0.001
Phosphate mmol/L 0.8–1.5 1.15(±0.175) 1.26 (±0.18) 0.9 to 1.9 6.47 ≤0.001
Ferritin μg/L 30–150 90 (±21.25) 61.22 (±58.7) 4.0 to 380.0 −5.14 ≤0.001
Vitamin D nmol/L 50–150 100 (±25.0) 78 (±26.23) 21.0 to 189.0 −8.55 ≤0.001
White blood cells 109/L 3.5–11.0 7.25 (±1.88) 6.14 (±2.1) 2.3 to 16.6 −5.59 ≤0.001
Neutrophils 109/L 1.5–7.5 4.5 (±1.5) 3.53 (±1.43) 1.1 to.8.15 −7.18 ≤0.001
Red blood cells 1012/L 3.9–5.6 4.75 (±0.43) 4.25 (±0.38) 3.0 to 4.9 −13.93 ≤0.001
Platelets 109/L 150–400 275 (±62.5) 252 (±66.0) 108 to 530 −3.69 ≤0.001
  1. aAs indicated in the text, only patients tested on this parameter before a test change was made by the pathology company on 21/01/13 were included in the study
  2. SD = standard deviation