Table 2 The mean and the standard deviation of MERSQI and subscales scores for poster and oral presentations between 2010–2014, p < .05 was considered statistically significant

Study design

1.1329

0.29644

1.1068

0.30592

0.488

No. of institutions studied

0.7120

0.40448

0.6081

0.27877

0.032

Response rate

0.8987

0.46257

0.9324

0.48504

0.572

Type of data

1.4051

0.80891

1.2973

0.71245

0.275

Internal structure

0.3418

0.47733

0.1608

0.36693

0.002

Content

0.5759

0.48759

0.5473

0.49775

0.641

Relationships to the other variables

0.1646

0.37315

0.1405

0.34802

0.583

Appropriateness of data analysis

0.6835

0.46806

0.5122

0.49985

0.005

Complexity of analysis

1.3418

0.47733

1.2784

0.44881

0.281

Outcomes

1.0253

0.13631

1,0324

0.12331

0.648

Sampling

1.6108

0.66113

1.5405

0.56283

0.382

Validity of evaluation instrument

1.0823

0.96220

0.8486

0.88960

0.031

Data analysis

2.0253

0.81610

1.7905

0.84907

0.024

Total score

8.2816

2.46591

7.6162

2.60862

0.038