Table 1.
Basic Characteristics of the Study Design of Included Clinical Trials.
| Author | Year | Country | Design | Blinding | Sample size/gender | Average age (years) | |
|---|---|---|---|---|---|---|---|
| SCT | Control | ||||||
| Cheng et al. 29 | 2014 | China | RCT | NR | 10/NR | 14/NR | 35.25 |
| Karamouzian et al. 32 | 2012 | Iran | CCT | NR | 11(7/M, 4/F) | 20(17/M, 3/F) | 33.4 |
| Shin et al. 31 | 2015 | Korea | CCT | NR | 19(16/M, 3/F) | 15(12/M, 3/F) | 37.2 |
| Dai et al. 28 | 2013 | China | RCT | NR | 20(16/M, 4/F) | 20(16/M, 4/F) | 34.9 |
| El-Kheir et al. 34 | 2014 | Egypt | RCT | Single-blind | 50(61M, 9F) | 20 | 16–45 |
| Chernykh et al. 27 | 2007 | Russia | CCT | NR | 18(14/M, 4/F) | 18(12/M, 6/F) | 32.4 |
| Chhabra et al. 30 | 2016 | India | RCT | Single-blind | 14(11/M, 3/F) | 7/NR | 24.9/T |
| Yoon et al. 33 | 2007 | Korea | CCT | Single-blind | 35(26/M, 6/F) | 13(9/M, 4/F) | 41.3 |
| Xie et al. 35 | 2007 | China | RCT | NR | 11(9/M, 2/F) | 13(10/M, 3/F) | 18–49/T, 21–53/C |
C: control group; CCT: clinical controlled trail; F: female; M: male; NR: not reported; RCT: randomized controlled trail; SCT: stem cell transplantation; T: stem cell transplantation group.