Diagnostic Accuracy of Combined PET/CT with MRI, 18F-FDG PET/MRI, and 18F-FDG PET/CT in Patients with Oropharyngeal and Hypopharyngeal Squamous Cell Carcinoma: A Systematic Review and Meta-Analysis

Table 1

Characteristics of the included studies.

Author	Country	Year	Number of patients	Number of males and females	Age mean ± SD or range	Duration	Study design
Driessen et al. [16]	Netherlands	2018	70	51/19	61 (42–81)	2011–2014	Prospective
Breik et al. [17]	UK	2020	140	111/29	68	2010–2017	Retrospective
Chan et al. [18]	Taiwan	2011	103	97/6	53.6 ± 9	2006–2008	Prospective
Yeh et al. [19]	Taiwan	2020	198	187/11	56.0 ± 9.8	—	Prospective
Huang et al. [20]	Taiwan	2011	27	26/1	—	2008/2010	Prospective
Schaarschmidt et al. [2]	Germany	2015	25	23/2	56.5 ± 7.7		Prospective
Kubiessa et al. [21]	Germany	2014	17	17/4	60 (42–78)	—	Prospective
Urban et al. [22]	Canada	2020	556	482/74	60 (33–90)	2012–2016	Retrospective
Kanda et al. [23]	Japan	2013	30	24/6	66.9 ± 11.1	2011–2013	Prospective