Table 1 Basic characteristics of contributing studies. SR systematic reviews

Journal

# SRs

# Citations

Audiology and Neurotology

1

0

Ear & Hearing

2

27

International Forum of Allergy & Rhinology

6

15

Otolaryngology-Head and Neck Surgery

22

208

Rhinology journal

7

16

The Laryngoscope

37

394

SR type

Effectiveness

Etiology and/or risk

Prevalence and/or incidence

Prognostic

Diagnostic test accuracy

34

24

10

5

2

Reporting guideline used

Yes

No

66

9