Table 1.

Presentation of details of studies included in the systematic review and included in the meta-analysis

Author, year [Ref]/country	Title	Type of study	Objective of the study	Questionnaire [ref]/type of questionnaire	Sample size/observation group (age range) and population	Control group (size), mean (SD) and population	NOS
Pang et al. 2007 [41]/China	Investigations of personality characteristics and mental health status in patients with premature ovarian failure	Cross-sectional study	Analysis of personality characteristics and mental health status of patients with premature ovarian failure	TABP/TCBP [57–59]/Behaviour pattern	N = 80 no description of age range Hospital-based	PCOS N = 80, Normal N = 81 no description of age range Population-based	7 High
Kalantaridou et al. 2008 [42]/USA	Sexual function in young women with spontaneous 46, XX primary ovarian insufficiency	Cross-sectional study	To assess sexual function in women with spontaneous 46, XX primary ovarian insufficiency after at least 3 months of a standardized hormone replacement regimen	DISF-SR-Female Version/[60, 61]/sexual function	N = 143 32 ± 5.5 years Hospital-based	Women of healthy, nonpregnant, and regularly menstruating N = 70 28.5 ± 7.3 years Population-based	7 High
Benetti-Pinto et al. 2011 [43]/Brazil	Quality of life in women with premature ovarian failure	Cross-sectional and Case–control study	Evaluate quality-of-life in women with a diagnosis of premature ovarian failure (POF)	WHOQoLBREF-100/[62–64]/Generic QoL	N = 58 22–39 years 44.8%, 40–51 years 55.2% Hospital-based	Women with normal ovarian function N = 58 22–39 years 53.4% 40–51 years 46.6% Hospital-based	7 High
Ji 2013 [44]/China	Clinical study on the relationship between syndrome types differentiation of TCM and quality-of-life in premature ovarian failure	Cross-sectional study	To understand the quality-of-life in patients with premature ovarian failure and to explore the correlation between TCM syndrome types and quality of life	SF-36/[65–67]/Generic QoL	N = 114 34.5 ± 3.66 years Hospital-based	Women with normal ovarian function N = 90 34.6 ± 3.2 years Hospital-based	7 High
Yang et al. 2017 [45]/China	Study on quality of fertility in patients with premature ovarian failure	Cross-sectional study	Investigation of reproductive quality-of-life in patients with premature ovarian failure	FertiQoL/[68, 69]/Fertility specific	N = 170 31.2 ± 5.8 years Hospital-based	women with normal ovarian function N = 113 30.5 ± 5.3 years Hospital-based	7 High
Yela et al. 2018 [54]/Brazil	Influence of sexual function on the social relations and quality of life of women with premature ovarian insufficiency	Case–control study	To evaluate the impact of sexual function (SF) in the quality-of-life of women with premature ovarian insufficiency (POI)	1. FSFI/[70–72]/Sexual function 2. WHOQoL-BREF [62–64]/Generic QoL	N = 80 38.4 ± 7.3 years Hospital-based	women matched by age (± 2 years) and presenting preserved gonadal function free of chronic diseases N = 80 38.1 ± 7.3 years Hospital-based	7 High