... 25 peer-reviewed case studies that implemented OPEX strategies in ophthalmology. A descriptive and thematic synthesis was conducted to interpret patterns and gaps. Findings OPEX methodologies in ophthalmology primarily focus on reducing surgical complications (via Six Sigma) and optimising...

...Berhanu Tolosa Garedew; Daniel Kitaw Azene; Kassu Jilcha; Sisay Sirgu Betizazu Purpose The study presented healthcare service quality, lean thinking and Six Sigma to enhance patient satisfaction. Moreover, the notion of machine learning is combined with lean service quality to bring about...

... an online survey to collect data. The questionnaire was sent to 800 senior managers, resulting in 249 useful responses. Findings The study results suggest that Six Sigma is the most widely utilized across the OPEX methodologies, followed by Lean Six Sigma and Lean. Agile manufacturing is the least...

...Abhishek Vashishth; Bart Alex Lameijer; Ayon Chakraborty; Jiju Antony; Jürgen Moormann Purpose The purpose of this paper is to contribute to the limited body of empirical knowledge on the impact of Lean Six Sigma (LSS) program implementations on organizational performance in financial services...

...Jiju Antony; Olivia McDermott; Michael Sony; Daryl Powell; Ronald Snee; Roger Wesley Hoerl Purpose The paper aims to investigate the pros and cons of having a standard for lean six sigma developed in 2015. The study follows up on a previous study by Antony et al. (2021) in more depth...

... improvement (QI) methodologies and critical failure factors (CFFs) of Lean and Six Sigma (SS) in the national health service (NHS). Design/methodology/approach A literature review was carried out to identify previous findings, empirical data and critical variables concerning Lean and SS in healthcare...

... in the manufacturing process. Production facilities, to achieve this purpose, have adopted various methods and use of the DMAIC of Six Sigma methodology is one among them. Findings The study identified the fault causing the defect and suggested the methods to correct the fault. The suggestions would result...

... determining the overall cost of production. The purpose of this paper is describing how to implement Six Sigma on the production of spiral welded pipes with a real case study. Design/methodology/approach First, the capability of the pipe production process has been performed by using the defects per...

... of a range of laminated timber panels for the caravan and leisure industry. The intermittent feeding of inputs and material outputs was also investigated during this case study. Design/methodology/approach The case study was conducted over a six-month period using the Six Sigma defining, measuring...

... to the unit has to be done under very restricted constraints of space, capacity and cost limitations. This study, therefore, emphasizes on how to use and apply methods and techniques such as lean and six sigma to increase the efficiency and improve the level of services at the NICU while meeting all the needs...

...Jemima Antwiwaa Ottou; Bernard Kofi Baiden; Gabriel Nani Purpose Project management tools and techniques have been widely adopted in the construction industry; however, its combination with Six Sigma and application in construction procurement has not been widely researched. This paper explores...

...Jiju Antony; Michael Sony Purpose The purpose of this paper is to carry out an empirical study of the limitations and emerging trends of Six Sigma in manufacturing and service companies. Design/methodology/approach The authors developed an online survey instrument based on the existing...

...Henning Strubelt; Felix Mollenhauer Purpose The purpose of this paper is to identify and evaluate potential synergies between the two management approaches Lean Six Sigma (LSS) and knowledge management. Although a strong interaction between them is suspected, there is only very little academic...

...Shreeranga Bhat; Jiju Antony; E.V. Gijo; Elizabeth A. Cudney Purpose The purpose of this paper is to explore the voice of the customer, key performance indicators, critical to quality characteristics, critical success factors, and commonly used tools and techniques for deploying the Lean Six Sigma...

...Abhilash C.R.; Jitesh J. Thakkar Purpose The purpose of this paper is to apply the Six Sigma DMAIC methodology in order to reduce the rejections experienced in the manufacturing of the doors belonging to a telecommunication cabinet. Design/methodology/approach The process involved joining...

...Michael Sony; Subhash Naik; K.K. Therisa Purpose Lean Six Sigma (LSS) has been one of the most widely used quality improvement initiatives over the last decade. However, the success rate of LSS is dismally poor, and most organizations discontinue LSS initiatives prematurely. The purpose...

...Bryan Rodgers; Jiju Antony Purpose The purpose of this paper is to provide a critical analysis of publications relating to the use of continuous improvement (CI) methodologies, such as Lean, Six Sigma and Lean Six Sigma over a 17-year period, to identify the themes and gaps, while informing...

...Paul Alexander; Jiju Antony; Bryan Rodgers Purpose The purpose of this paper is to explore the most common themes within Lean Six Sigma (LSS) relating to small- and medium-sized enterprises (SMEs) within manufacturing organisations and to identify the research gaps in the existing literature...

...Omkarprasad S. Vaidya Purpose The purpose of this paper is to propose an approach to evaluate “on time” performance for a class of Indian railways (IR). This approach is build-up on the theme of six sigma level computation for continues data. The arrival data obtained from a class of IR called...

...Kaouthar Lamine; Lassaad Lakhal Purpose The purpose of this paper is to explore the link between TQM/Six Sigma practices and their impact on performance. Design/methodology/approach Based on the literature review of research that investigated the TQM and Six Sigma best practices...