Clinical Study

A 2-Week Course of Enteral Treatment with a Very Low-Calorie Protein-Based Formula for the Management of Severe Obesity

Table 3

Changes in hematological and biochemical safety parameters after the intervention (per-protocol population; ).

VariableBaselineDay 14 Mean difference valueaLaboratory rangeNew cases
Mean (SD)Mean (SD)95% CIBelow the lower limit
(%)a
Above the upper limit
(%)

Hemoglobin, g/L14.0 (1.5)14.1 (1.4)0.1 0.03, 0.190.00512.0–15.5 (13.5–17.0)12 (3.6)5 (1.5)
Lymphocytes, /mm32334 (651)1946 (587)−388 −446, −330<0.0011300–360023 (6.8)2 (0.6)
Blood urea nitrogen, mg/dL31 (8)26.7 (7.5)−3.9 −4.8, −3.0<0.00110–50 01 (0.3)
Creatinine, mg/dL0.71 (0.15)0.77 (0.16)0.06 0.05, 0.08<0.0010.55–1.27 (2.1) 1 (0.3)
Uric acid, mg/dL5.6 (1.2)8.1 (2.3)2.5 2.2, 2.8<0.0013.5–7.0 0178 (52.7)
Albumin, g/L44.4 (0.5)45.9 (0.5)1.5 −1.0, 2.1<0.00135.0–52.02 (0.6)8 (2.4)
Cholinesterase, UI/dL9839 (1906)9617 (1893)−222 −351, −94<0.0014250–11250 2 (0.6)21 (6.2)
AST, UI/dL23 (10)34 (17)11 10, 13<0.0016–39 034 (10.1)
ALT, UI/dL 32 (21)47 (32)15 13, 18<0.0016–34 090 (26.6)
γ-GT, UI/dL30 (31)22 (13)8 −10, −5<0.0016–420 4 (1.2)
CPK, UI/dL 121 (75)134 (88)13 5, 22 0.00324–190037 (10.9)
LDH, UI/dL 424 (87)438 (98)14 5, 23 0.002125–600021 (6.2)
Sodium, mEq/L139 (2.2)138 (2.5)−1.0 −1.5, −0.9<0.001135–15321 (6.2)0
Potassium, mEq/L4.4 (0.3) 4.5 (0.3)0.1 0.04, 0.14<0.0013.5–5.3 1 (0.3)3 (0.9)
Magnesium, mg/dL1.98 (0.17)1.93 (0.18)−0.05 −0.08, −0.04<0.0011.7–2.65 (1.5)0
Calcium, mg/dL9.3 (0.4)9.6 (0.4)0.4 0.3, 0.4<0.0018.6–10.5 1 (0.3) 4 (1.2)
Phosphorus, mg/dL3.4 (0.5)3.7 (0.5)0.3 0.3, 0.4<0.0012.7–4.53 (0.9)15 (4.4)

BMI: body mass index; AST: aspartate aminotransferase; ALT: alanine aminotransferase; -GT: gamma glutamyl transferase; CPK: creatine phosphokinase; LDH: lactate dehydrogenase.
aBaseline versus end of study (by Student’s -test for paired data or Fisher’s exact test).