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Correction to: Metformin improved health-related quality of life in ethnic Chinese women with polycystic ovary syndrome
Health and Quality of Life Outcomes volume 16, Article number: 217 (2018)
The original article  contains a number of statements that the authors would like to be disregarded, noted ahead:
In the Methods section, along with the references mentioned in the statement:
‘In order to account for the effect of medication behavior, the Morisky 8-item medication adherence scale (MMAS-8)  was applied to measure medication adherence. The MMAS-8 is one of the most commonly used self-report adherence questionnaires. The Chinese version of MMAS-8 has been validated among a convenience sample of 176 patients in China . The scale showed acceptable internal consistency (Cronbach’s α = 0.77) and test-retest reliability (r = 0.88), and good construct validity.’
In the respective captions of Tables 3 and 4:
‘The analysis was adjusted for the effect of medication adherence via the Morisky 8-item medication adherence scale’.
These statements as well as the references contained within them are to be disregarded as it was discovered that the patients included in the analyses did not receive the MMAS and thus, the analyses did not adjust for the MMAS scores (as was erroneously asserted in the original text).
Ou H-T, et al. Metformin improved health-related quality of life in ethnic Chinese women with polycystic ovary syndrome. Health Qual Life Outcomes. 2016;14(119) https://doi.org/10.1186/s12955-016-0520-9.
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Ou, HT., Chen, PC., Wu, MH. et al. Correction to: Metformin improved health-related quality of life in ethnic Chinese women with polycystic ovary syndrome. Health Qual Life Outcomes 16, 217 (2018). https://doi.org/10.1186/s12955-018-1026-4