TABLE 4.
Baseline mean HbA1c of included studies in the meta-analysis.
| study | Baseline HbA1c | ||
|---|---|---|---|
| control | experimental | mean | |
| Baseline mean HbA1c < 9.0% | |||
| Wang (2008) | 7.33 | 7.10 | 7.22 |
| Yin (2011) | 7.2 | 7.4 | 7.30 |
| Yao and Xie (2015) | 7.6 | 7.3 | 7.45 |
| Cao (2007) | 7.50 | 7.47 | 7.49 |
| Zhang et al. (2008) | 7.6 | 7.5 | 7.55 |
| Yang (2008) | 7.52 | 7.58 | 7.55 |
| Ye (2010) | 7.40 | 7.70 | 7.55 |
| Gu et al. (2010) | 7.7 | 7.6 | 7.65 |
| Yu (2020) | 7.71 | 7.67 | 7.69 |
| Zhang and Yuan (2012) | 8.01 | 8.15 | 8.08 |
| Liu and Hu (2008) | 8.12 | 8.08 | 8.10 |
| Yang (2010) | 8.30 | 8.20 | 8.25 |
| Li (2014) | 8.49 | 8.51 | 8.50 |
| Lang and Zhu (2016) | 8.53 | 8.52 | 8.53 |
| Li and Liu (2007) | 8.4 | 8.8 | 8.60 |
| Zhu et al. (2015) | 8.67 | 8.84 | 8.76 |
| Sun (2017) | 8.75 | 8.81 | 8.78 |
| Liu (2013) | 8.7 | 9.0 | 8.85 |
| Dong et al. (2017) | 8.85 | 8.86 | 8.86 |
| Xiang et al. (2011) | 8.92 | 8.97 | 8.95 |
| Fan et al. (2018) | 9.04 | 8.93 | 8.99 |
| Baseline mean HbA1c ≥ 9.0% | |||
| Yang et al. (2020) | 9.1 | 9.2 | 9.15 |
| Wei and Deng (2021) | 9.1 | 9.3 | 9.20 |
| Jiang and Wang (2019) | 9.28 | 9.21 | 9.25 |
| Zhu et al. (2020) | 9.25 | 9.29 | 9.27 |
| Li (2016) | 9.2 | 9.4 | 9.30 |
| Zhang and Chen (2017) | 9.2 | 9.4 | 9.30 |
| Xue et al. (2012) | 9.3 | 9.5 | 9.40 |
| Zhang (2017) | 9.5 | 9.6 | 9.55 |
| Ye (2021) | 9.63 | 9.64 | 9.64 |
| Zhu et al. (2009) | 10.9 | 10.9 | 10.90 |
| Xu (2008) | Unknown | ||
| You and Liu (2007) | Unknown | ||
| Sheng (2009) | Unknown | ||
| Liu (2004) | Unknown | ||
| Rashidi et al. (2018) | Unknown | ||
| Li (2008) | Unknown | ||
HbA1c, glycosylated hemoglobin.