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Proportion of guidelines writers with undisclosed financial ties by guideline type
| Yes | No | Risk ratio (95% CI) | P value | |
| COI statement in guideline | 59/223 (26.5%) | 24/121 (19.8%) | 1.33 (0.88 to 2.03) | 0.170 |
| Developed, funded by government/s | 8/99 (8.1%) | 75/245 (30.6%) | 0.26 (0.13 to 0.53) | <0.001 |
P value refers to χ2 test.
COI, conflict of interest.
