BACKGROUND Systematic reviews should inform American Academy of Ophthalmology (AAO) Preferred Practice Pattern® (PPP) guidelines. The quality of systematic reviews related to the forthcoming Preferred Practice Pattern® guideline (PPP) Refractive Errors & Refractive Surgery is unknown. We sought to identify reliable systematic reviews to assist the AAO Refractive Errors & Refractive Surgery PPP....

OBJECTIVES To compare the methodological and reporting quality of systematic reviews by authors from China and those from the United States (USA). STUDY DESIGN AND SETTING From systematic reviews of randomized trials published in 2014 in English, we randomly selected 100 from China and 100 from the USA. The methodological quality was assessed using the Assessing the Methodological Quality of ...

Systematic reviews answer clinical questions by finding and evaluating all available evidence. The systematic review is a powerful tool to help clinicians use evidence for patient care decisions. There are many sources for high-quality systematic reviews. Like all scientific studies there are potential biases, but systematic reviews have many benefits over narrative reviews. To ensure appropria...

Background Polycystic ovary syndrome (PCOS) is a common and complex condition affecting up to 18% of reproductive-aged women with reproductive, metabolic and psychological dysfunction. We performed an overview and appraisal of methodological quality of systematic reviews assessing medical and surgical treatments for reproductive outcomes in women with PCOS. Methods This was an overview of syste...