Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Risk of bias assessment heat map.
| Assessment Domain | ||||||
|---|---|---|---|---|---|---|
| Paper | Confounding | Selection Bias | Exposure Assessment | Outcome Measurement | Missing Data | Selective Reporting |
| [51] | ||||||
| [52] | ||||||
| [53] | ||||||
| [54] | ||||||
| [55] | ||||||
| [56] | ||||||
| [57] | ||||||
| [58] | ||||||
| [59] | ||||||
| [60] | ||||||
| [61] | ||||||
| [62] | ||||||
| [63] | ||||||
| [64] | ||||||
| [65] | ||||||
| Risk of Bias | ||||||
green = Low; yellow = Moderate; orange = High.
