Mean age

Sex ratio (women/men)

Main clinical manifestations

  • Sensitive polyneuropathy
  • Cognitive disorders
  • Asthenia

Main biological manifestations

  • Macrocytosis
  • Anaemia
  • Leucopenia
  • Thrombocytopenia
  • Pancytopenia

76±8 years

2

45%

23%

21%

53%

21%

11%

9%

6.5%

Table 2: Profile of 92 elderly patients with cobalamin deficiency secondary to foodcobalamin malabsorption syndrome [10].