From: Country development and manuscript selection bias: a review of published studies
 | Adjusted OR(95% CI) |
---|---|
Randomization: | |
1993 | 0.59(0.29 to 1.17) |
2003 | 0.64(0.29 to 1.36) |
Blinding: | |
1993 | 1.93(0.99 to 3.74) |
2003 | 2.36(1.08 to 5.13) |
Statistical Significance: | |
1993 | 1.17(0.58 to 2.34) |
2003 | 0.41(0.20 to 0.85) |