Table 2.
Characteristics of subjects
(Mean values with their standard errors and ranges)
| Study 1: OSA and alcohol-free beer |
Study 2: green beans and bananas* |
Study 3: ChOSA and magnesium trisilicate BP |
Study 4: MMST and colloidal silica† |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | se | Range | Mean | se | Range | Mean | se | Range | Mean | se | Range | |
| Subjects (n) | ||||||||||||
| Males | 3 | 3 | 4 | 6 | ||||||||
| Females | 2 | 2 | 4 | 8 | ||||||||
| Age (years) | 26·7 | 2·5 | 22·0-36·0 | 23·4 | 1·0 | 22·0-27·0 | 27·3 | 2·0 | 19·0-38·0 | 28·2 | 1·8 | 21·0-38·1 |
| Weight (kg) | 61·1 | 4·5 | 48·0-71·0 | 73·5 | 4·9 | 60·5-90·9 | 61·6 | 3·3 | 50·0-79·6 | 59·5 | 2·9 | 41·0-81·0 |
| Height (cm) | 164·0 | 2·4 | 158-168 | 169·0 | 1·6 | 167-175 | 164·3 | 1·8 | 156-170 | 166·1 | 2·2 | 154-179 |
| BMI (kg/m2) | 22·8 | 1·1 | 19·4-25·0 | 25·6 | 1·3 | 21·7-29·7 | 22·8 | 1·1 | 19·8-30·1 | 21·4 | 0·7 | 17·3-26·2 |
| Serum creatinine (μmol/l)‡ |
72·4 | 5·0 | 57-67 | 72·8 | 7·1 | 56-88 | 76·8 | 4·5 | 54-98 | 71·8 | 4·5 | 65-86 |
OSA, orthosilicic acid; ChOSA, choline-stabilised orthosilicic acid (BioSil; BioMinerals NV, Destelgergen, Belgium); BP, British Pharmacopoeia; MMST, monomethyl silanetriol (LLR-G5 Ltd, Castlebar, Co. Mayo, Republic of Ireland).
*
Bananas were ripe and peeled. Greens beans were cooked.
†
As explained in the Materials and methods section, only three of the fourteen subjects in this group undertook the ingestion test with colloidal silica.
‡
Normal creatinine levels: 80-122 μmol/l for males; 65-101 μmol/l for females.