Table 1.

Study characteristics of included articles.

Reference	Country	Study Design	Study Period	Sample Size		Male Sex (%)	Mean Age (Years)
				Resection	Biopsy
Dziurzynski, 2012	USA	Case series	2000–2010	11	12	48%	56.3
Chaichana, 2014	USA	Case series	2007–2012	29	19	52%	NR
Dayani, 2018	USA, Ireland	Case series	2004–2014	14	25	59%	57.8
OpokuDarko, 2018	Canada	Case series	2004–2016	9	20	62%	59.8
Hall, 2019	UK	Case control	2011–2017	37 *		64.9%	62.7 *
Franco, 2020	Germany	Case series	2005–2017	25	30	61.8%	64
Boaro, 2021	USA, Italy	Case series	2008–2018	26	36	51.6%	64.3

* Sample size not stratified by treatment modality.