Table 1 Characteristics of RCTs included in the meta-analysis
Trial (Year) | Country | Design | Intervention (N) | Follow-up (weeks) | Co-intervention | Jadad score | Baseline BMI (kg/m2) | Baseline HbA1c (%) | Age (year) | Male (%) | Trial population | Adverse events (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Aliasgharzadeh (2015) [10] | Iran | D | RD 5 g with a cup of water during a meal twice daily (30), or maltodextrin with a cup of water (25) | 8 | OADs | 5 | RD: 31.8 Control: 30.8 | RD: 7.8 Control: 8.2 | RD: 49.2 Control: 49.6 | 0 | T2DM BMI > 25 | None |
Guerin (2013) [16, 17] | China | D | 250 ml of orange juice containing RD 4 g (20), RD 7 g (20), RD 9 g (20), or RD 12 g twice daily (20), or 250 ml of orange juice only (20) | 9 | None | 4 | RD: 26.0 Control: 26.0 | N. R. | RD: 44.7 Control: 45.0 | 50 | BMI 24–28 | None |
Li (2010) [18, 19] | China | D | 250 ml of fruit juice containing 17 g RD twice daily (57), or 250 ml of fruit juice containing maltodextrin (56) | 12 | None | 5 | RD: 24.5 Control: 24.5 | RD: 5.8 Control: 5.8 | RD: 30.4 Control: 31.6 | 100 | BMI 24–28 | None |