Table 1.
Summary of trial characteristics.
| Characteristica | |
|---|---|
| Trial comparisons | 103 |
| Participants | 538 |
| Follow-up duration, minutes | 120 (60–240) |
| Participant characteristics | |
| • Age, years | 37 (22–66) |
| • Male:femaleb (%) | 50:50 |
| • BMI, kg/m2 | 24.9 (20.6–31.1) |
| Health Status, # of trial comparisons | |
| • Healthy | 77 |
| • Type 2 Diabetes | 11 |
| • Overweight | 9 |
| • Mixed (Health & Overweight) | 5 |
| • Metabolic Syndrome | 1 |
| Intervention characteristics | |
| • OBG dose, g | 4.2 (0.2–11.7) |
| • OBG dose, g/30 g available carbohydrates | 2.8 (0.1–22.6) |
| • Food source, # of trials | |
| ⚬ OBG-enriched/oat bran muffins | 23 |
| ⚬ OBG/oat bran added to glucose/dextrose | 20 |
| ⚬ OBG-enriched/oat bran cereal | 13 |
| ⚬ OBG-enriched/oat bran added to oatmeal porridge | 13 |
| ⚬ Oat granola/muesli with oat bran flakes | 10 |
| ⚬ OBG-enriched bread | 8 |
| ⚬ OBG-enriched/oat bran snack bar or product | 7 |
| ⚬ OBG-enriched/oat bran beverage (juice, shake, drink) | 7 |
| ⚬ Oat bran pasta | 2 |
| • Available carbohydrate, g | 50 (13–75) |
| Comparator characteristics | |
| • Type | |
| ⚬ Matched | 66 |
| ⚬ Unmatched | 37 |
| • Food source, # of trial comparisons | |
| ⚬ Glucose/dextrose/maltodextrin solution | 32 |
| ⚬ White bread | 21 |
| ⚬ Muffin | 16 |
| ⚬ Wheat porridge or oatmeal without added OBG | 12 |
| ⚬ Wheat granola/muesli with cornflakes | 7 |
| ⚬ Snack bar/product | 5 |
| ⚬ Cornflakes cereal | 4 |
| ⚬ Juice/shake/drink | 4 |
| ⚬ Durum wheat pasta | 2 |
| • Available carbohydrate, g | 50 (13–75) |
| Setting, # of trial comparisons | |
| • North America | 70 |
| • Europe | 25 |
| • South America | 4 |
| • Australia | 3 |
| • Asia | 1 |
| Funding source, # of trial comparisonsc | |
| • Agency | 43 |
| • Industry | 28 |
| • Agency & Industry | 9 |
| • Not reported | 23 |
OBG oat β-glucan, BMI body mass index.
aMedian (range) of mean data, unless otherwise indicated.
b30/31 studies provided data on sex.
cAgency funding is that from government, university, or not-for-profit sources. Industry funding is that from trade organizations that obtain revenue from the sale of products.