Polycystic Ovarian
Syndrome (PCOS) is one of the most common endocrinopathies in women of
reproductive age, with incidences ranging between 4–20%.
Although the physical aspects of the health-related
quality of life (HRQOL) are adversely affected by overweight in both Polycystic
Ovarian Syndrome (PCOS) and control, but these impaired effects are greater in
women with PCOS.
Polycystic Ovarian Syndrome (PCOS) is one of the most common endocrinopathies in women of reproductive age, with incidences ranging between 4–20%. It is characterized by menstrual and ovulatory dysfunction, infertility, hirsutism and increased cardiovascular risk factors. All these factors can negatively affect the health-related quality of life (HRQOL). The physical component of HRQOL is decreased by obesity, associations between body mass index (BMI) and the mental components of HRQOL vary, with either a decline or sometimes even improvement. While clinical features of PCOS are aggravated by obesity. However, reliable data is not available supporting the association between obesity and QOL of women with PCOS, while there are few studies reporting obesity as a main intermediator in the association between PCOS and declined HRQOL. Obesity is believed to negatively affect the HRQOL of women with PCOS, not only because of the excess weight, but it also significantly affects their reproduction by causing anovulation, subfertility and irregular menses. A recent research has shown that body weight is directly linked to the worsening in all aspect of HRQOL. According another study, obesity is adversely associated with physical, but not mental HRQOL. Considering the severe adverse effects of excess body weight on HRQOL among individuals with metabolic disorders, and its impact on the reproductive characteristics of women with PCOS. The present study hypothesized that the association between excess weight on HRQOL in women with PCOS differ from those in healthy control. By comparing the effects of excess body weight on HRQOL between women with PCOS and their age and BMI matched counterparts.
Rationale behind research:
There is inconsistent data regarding the association between obesity and QOL of women with PCOS, with some studies reporting obesity as a main mediator in the PCOS-related declined HRQOL. While other studies document no relationship between obesity and HRQOL. This warrents the reason for conducting this study.
Objective:
To compare the effects of excess body weight on the HRQOL between women with PCOS and controls.
Study outcomes:
HRQOL: HRQOL was assessed using short form health survey that included eight domains; physical functioning (PF), role limitation due to physical problem (RP), bodily pain (BP), general health perception (GH), vitality (VT),csocial functioning (SF), role limitation due to emotional problem (RE) and mental health (MH). These eight scales were pooled into two summary measures: the physical component summary scales (PCS) and mental component summary scales (MCS). Dimensions which were scored from 0 (minimum HRQOL) to 100 (good HRQOL with no defect). Validity and reliability of SF36 for Iranian populations was confirmed,with convergent validity ranging from 0.58 to 0.95 and Cronbach's alpha coefficientsranging from 0.77 to 0.90.
BMI: All participants underwent clinical examinations to document body weight, height, waist (WC), hip circumferences(HC). Body mass index was measured as weight in kilograms, divided by the height in meters squared (kg/m²). The levels of BMI were classified as follows: BMI 18–24.9 kg/m² as normal, and BMI ≥25 kg/m² as overweight or obese.
Hirsutism: was assessed using the modified Ferriman Gallwey scoring method, by the main investigator (F.S) under supervision of a gynecologist
Outcomes
Table 1: Comparisons
of mean scores of health-related quality of life’s domains of women with
polycystic ovary syndrome with controls.
This study showed that women with PCOS, compared to their age-BMI matched controls, had significantly lower scores, assessed by SF 36, in five domains of HRQO, VT, MH, SF, BP and GH. It was found that normal weight linked to higher scores for PF and BP and PCS in PCOS and for BP and PCS in the controls. The correlation between PF with BMI in women with PCOS was significantly different from those observed in controls; the negative impact of excess weight on physical domains of HRQOL in women with PCOS is stronger than in controls.
Results of the current study demonstrated
that consequences of excess weight on the physical aspects of HRQOL varied
between women with PCOS and healthy controls, results in agreement with those
of a study that reported comorbidity of obesity had a greater impact on HRQOL. However
our results differ from studies conducted mostly in western countries, showing
a positive association between excess weight and reduction in the mental
aspects of HRQOL.
Women with PCOS, compared to their age-BMI matched controls, had
significantly lower scores, assessed by SF36, in five domains of health related
quality of life, including VT, MH, SF, BP and GH.
PLOS ONE | DOI:10.1371/journal.pone.0162911
Comparison of the Association of Excess Weight on Health Related Quality of Life of Women with Polycystic Ovary Syndrome: An Age- and BMI-Matched Case Control Study
Farnaz Shishehgar et al.
Comments (0)