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Table 1 Adherence to individual items of the CONSORT extension for abstracts

From: Reporting quality of randomized controlled trial abstracts in the seven highest-ranking anesthesiology journals

Item

Description

Scored as “yes”, N (%)

Scored as “unclear”, N (%)

Scored as „no“, N (%)

1. Title

Identification of the study as randomized

382 (61)

0

240 (39)

2. Authors

Contact details for the corresponding author

102 (16)

0

520 (84)

3. Trial design

Description of the trial design (e.g., parallel, cluster, non-inferiority)

114 (18)

0

508 (82)

Methods

4. Participants

Eligibility criteria for participants and the settings where the data were collected

523 (84)

0

99 (16)

5. Interventions

Interventions intended for each group

603 (97)

0

19 (3)

6. Objective

Specific objective or hypothesis

563 (91)

0

59 (9)

7. Outcome

Clearly defined primary outcome for this report

295 (47)

0

327 (53)

8. Randomization

How participants were allocated to interventions

17 (3)

594 (96)

11 (1)

9. Blinding (masking)

Whether or not participants, caregivers, and those assessing the outcomes were blinded to group assignment

302 (49)

0

320 (51)

Results

10. Numbers randomized

Number of participants randomized to each group

145 (23)

0

477 (77)

11. Recruitment

Trial status

56 (9)

566 (91)

0

12. Numbers analyzed

Number of participants analyzed in each group

48 (8)

0

574 (92)

13. Outcome

For the primary outcome, a result for each group and the estimated effect size and its precision

581 (93)

0

41 (7)

14. Harms

Important adverse events or side effects

128 (21)

0

494 (79)

15. Conclusions

General interpretation of the results

597 (96)

0

25 (4)

16. Trial registration

Registration number and name of trial register

127 (20)

0

495 (80)

17. Funding

Source of funding

1 (0.2)

0

621 (99.8)