Discrepancies between Abstracts Presented at International Association for Dental Research Annual Sessions from 2004 to 2005 and Full-Text Publication

Table 1

Discrepancies between abstracts and their full-text publications.

Variables	𝑁	Proportion
Overall	114
No change	5	4.4%
Any change	109	95.6%
Minor discrepancy
Number of authors
No change	65	57.0%
Change	49	43.0%
(i) Increase	21	42.9%
(ii) Decrease	28	57.1%
First author
No change	82	71.9%
Change	32	28.1%
Last author
No change	65	57.0%
Change	49	43.0%
Title
No change	22	19.3%
Change	92	80.7%
Funding
No change	89	78.1%
Change	25	21.9%
Major discrepancy
Statistical analysis
No change	64	56.1%
Change	50	43.9%
Result
No change	59	51.8%
Change	55	48.2%
Conclusion
No change	70	61.4%
Change	44	38.6%
Sample size
No change	71	62.3%
Change	43	37.7%
(i) Increase	30	70.0%
(ii) Decrease	13	30.2%
Purpose/objective
No change	78	68.4%
Change	36	31.6%
Materials and methods
No change	76	66.7%
Change	38	33.3%
Study outcome
No change	80	70.2%
Change	34	29.8%