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Table 4 Predictors of publication

From: Publication bias in gastroenterological research – a retrospective cohort study based on abstracts submitted to a scientific meeting

 

data base based OR (95% CI)

survey based OR (95% CI)

number of applicable abstracts

836

494

abstracts with missing values

0

71

total in analysis

836

423

statistical significance

  

   positive

1

1

   negative

0.8(0.6–1.2)

0.7(0.4–1.2)

   equivocal

0.7(0.6–1.0)

0.4 (0.2–0.7)

previous publications of PI

  

   less than 10

not available

1

   more than 10

 

1.7(1.1–2.8)

multi-center status

  

   1–3 centers

1

1

   > 3 centers

2.8(1.6–4.9)

2.0 (0.9–4.5)

  1. Data base search based: Model 2 17.1, df3, p < .001. Hosmer and Lemeshow Goodness-of-FitTest: 2 .24; 3df; p = .97 Survey based: Model 2 13.2;df 1; p < .001; Hosmer and Lemeshow: skipped (d.f. <1)