Group | Number of studies | SMDa (MDb) | 95% CIc | Heterogeneity | |
---|---|---|---|---|---|
Pheterogeneity | I2 (%) | ||||
Type of platelet concentrates | |||||
PRFd | 3 | 5.53 | (2.19–8.88) | 0.21 | 35 |
CGFe | 2 | 4.71 | (0.77–8.64) | 0.21 | 36 |
PRPf | 1 | 1.22 | (− 1.51 to 3.95) | – | – |
Method of application | |||||
Dipping the implant in the liquid before insertion | 4 | 4.51 | (1.79–7.22) | 0.02 | 68 |
Only placed in the implant sites | 2 | 3.28 | (− 1.71 to 8.27) | 0.39 | 0 |
Study design | |||||
RCTg | 3 | 6.42 | (4.20–8.64) | 0.55 | 0 |
CCTh | 3 | 2.56 | (0.71–4.41) | 0.35 | 5 |