Table 2

 Schilling tests and gastric analytical and histological data of 14 elderly patients with a low serum vitamin B12 concentration

PatientSexAge (y)Absorption testsPepsinogen I (ng/ml)Gastritis scoresFundus
SSTMST (%)
Stage 1 (%)Stage 2 (%)D IIIAntrum
1M9119.0NA1.355N11
2F830.68.40.011N85
3M8416.1NA5.968N42
4M8617.522.01.533N14
5F880.210.00.058N33
6F880.13.40.534N25
7F843.36.26.56N12
8M8610.011.012.1138N40
9M8113.014.014.429N52
10M8529.432.77.8125N21
11F7925.727.28.435N31
12F8423.026.08.630N52
13F8611.013.04.567N11
14M857.010.04.5135N11
Median8545
Lower quartile8430
Upper quartile8668
Normal valuesF10.010.03.3>20
M10.010.03.3>20
  • Gastritis was graded according to the Sydney system using a score from 0 to 12.

  • SST, standard Schilling test after oral intake of free labelled vitamin B12 (stage 1) or bound to intrinsic factor (stage 2); MST, modified Schilling test after oral intake of labelled vitamin B12 bound to trout flesh; D III, duodenal biopsy specimens.