Table 3.

Characteristics of the studies

References	Global region	Imaging	Subjects	Tarlov cyst incidence (%)
Burdan et al. [2]	Europe	MRI	842	8.91
Gleeson et al. [4]	Europe	MRI	260	0.38
Gopalakrishnan et al. [5]	Asia	MRI	200	1.00
Jeong et al. [9]	Asia	MRI	494	10.73
Joo et al. [10]	Asia	MRI	2669	1.72
Komisaruk and Lee [11]*	North America	MRI	18	66.67
Kuhn et al. [12]	Europe	MRI	1100	12.00
Langdown et al. [13]	Europe	MRI	3535	1.53
Larsen et al. [14]	Europe	Myelography	136	17.65
Lim et al. [15]	North America	MRI	242	16.12
Oaklander et al. [17]*	North America	MRI	10	50.00
Park et al. [18]	Asia	MRI	1268	2.13
Paulsen et al. [19]	North America	MRI	500	4.60
Petrasic et al. [20]	North America	MRI	185	1.62
Pink et al. [21]*	North America	MRI	15	6.67
Ramadorai et al. [23]	North America	MRI	67	1.49
Ramirez et al. [24]	North America	MRI	261	0.38
Senoglu et al. [25]	Asia	MRI	1000	1.30
Shi et al. [26]	Asia	MRI	75	2.67
Tani et al. [27]	Asia	MRI	102	9.80
Zacharakis et al. [28]	Europe	MRI	30	6.67
Zeitoun et al. [29]	Asia	MRI	217	0.46

Excluded from estimation of the general pooled prevalence, included only in subgroup analysis

*Patients with persistent genital arousal disorder