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Correction | Open | Published:

Correction to: Metformin improved health-related quality of life in ethnic Chinese women with polycystic ovary syndrome

The original article was published in Health and Quality of Life Outcomes 2016 14:119

Correction

The original article [1] contains a number of statements that the authors would like to be disregarded, noted ahead:

  1. 1)

    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) [30] 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 [31]. The scale showed acceptable internal consistency (Cronbach’s α = 0.77) and test-retest reliability (r = 0.88), and good construct validity.’

  2. 2)

    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’.

Table 3 Mixed effect model analysis of metformin effect on general HRQoL outcome measured via WHOQOL-Bref
Table 4 Mixed effect model analysis of metformin effect on PCOS-specific HRQoL measured via Chi-PCOSQ

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).

Reference

  1. 1.

    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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Author information

Correspondence to Huang-Tz Ou.

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