Table 3.
Overall publication bias testing by Begg’s test and Egger’s test
Items | Follow-up time | Begg’s test | Egger’s test |
---|---|---|---|
logMAR BCVA scale | 1 month | 0.677 | 0.344 |
2 months | NA | 0.317 | |
3 months | 0.11 | 0.016 | |
6 months | 0.18 | 0.04 | |
9 months | NA | NA | |
12 months | 0.14 | 0.74 | |
ETDRS BCVA scale | 1 month | 0.32 | NA |
2 months | NA | NA | |
3 months | 0.32 | NA | |
6 months | 0.12 | 0.36 | |
9 months | NA | NA | |
12 months | 0.65 | 0.11 | |
CMT | 1 month | 0.48 | 0.049 |
2 months | 0.32 | NA | |
3 months | 0.24 | < 0.001 | |
6 months | 0.21 | 0.04 | |
9 months | NA | NA | |
12 months | 0.17 | 0.28 |
ETDRS Early Treatment Diabetic Retinopathy Study, logMAR logarithm of the minimum angle of resolution, CMT central macular thickness, NA not applicable (no analysis performed because of an insufficient number of studies providing data)