20 Research Methodology Baseline Methodology Our dedicated team of industry experts has monitored and analyzed various aspects of the Global pulse oximeter market . The team has analyzed the outlook of various segments of this market, while considering the major influencing factors such as growing prevalence of various diseases such as sleep apnea , heart failures, allergic reactions, among others . The study includes market forecasting, which would enable our clients to take better decisions while planning their strategy to achieve sustainability in the Global pulse oximeter market . Methodology Followed for Calculation of Market Size : • Market Size by Value : Market size, in terms of value, for the year 2020 was calculated based on information collected through exhaustive secondary research and primary surveys, with various key opinion leaders/stakeholders, such as companies, suppliers, distributors, market influencers & end users, industry experts, and other industry participants . • The team interviewed more than 15 – 20 companies , 100 – 120 end users, 15 – 20 industry experts and other value chain stakeholders in the Global pulse oximeter market to obtain the overall market size from 2016 to 2020 , which was validated by the Delphi technique . Taking standard deviation into consideration, the market size was averaged out, to arrive at the market size data during 2016 - 2020 .