Dr. Thennarasu Maruthamuthu


Chief Statistician and Assistant Professor, Ministry of Higher Education, Saudi Arabia


Founder of Ragava International Statistical Institute (RISI)

Dr.Thennarasu Maruthamuthu is the founder of Ragava International Statistical Institute located at Chennai with consultancy services and professional development reach all over India, Middle East, Asia and USA. He currently serves as Chief Statistician and Assistant Professor of Statistics at Ministry of Higher Education in Saudi Arabia and holds PHD in Biostatistics from University of Madras and PGDBS in Biostatistics from Madurai Kamaraj University.

About Thennarasu Maruthamuthu

Dr.Thennarasu is renowned world-class healthcare quality trainer and consultant accredited as Certified Professional in Healthcare Quality (CPHQ) from National Association for Healthcare Quality(NAHQ), U.S.A. His professional background spans more than 20 years in the Healthcare industry focused on developing integrated and innovative statistical models for process excellence. A versatile healthcare Quality consultant, he has contributed the unique quality improvement model,DMCIB, which was published in the Joint Commission Journal on Quality and Patient Safety in 2016. His works place an emphasis on performance improvement, patient safety and risk management, quality improvement and healthcare research.In collaboration with different Healthcare organizations in Saudi Arabia and India, his consistently exceeding goals and objectives challenge healthcare environments to adapt the best of accreditation standards from Joint Commission International Accreditation (JCI) and Saudi Central Board for Accreditation of Healthcare Institutions (CBAHI).

His continually improving reputation and drive to spread knowledge via classroom training sessions and e-learning, makes him extraordinary. With outstanding updated resources, he offers training classes for CPHQ, CPPS, CHQ, CPSO, Healthcare Data Analytics, MINITAB for healthcare quality improvement and SPSS for Clinical and Epidemiological research as well as individualized professional development guidance for the MBA, MPhil and PHD students from different countries like India, Dubai, Saudi Arabia

The Statistical Scorecard, Dashboard and Road Map for Healthcare Key Performance Indicators were some of his innovative customized business development software applications designed to reward cost-efficient and improved patient outcomes. He is a Lean Six Sigma Black Belt Consultant with ongoing research activities upon demand by Healthcare professionals from various hospitals and primary healthcare centers paving the way for development of new tools for Inpatient Satisfaction, OPD satisfaction and Employee satisfaction in the University Hospital. Being a Healthcare Transformational Strategist, he has served as a prominent trainer for more than 80K professionals.

His areas of expertise and keen interest lie in developing and validating healthcare quality competence, offering the following ongoing professional development and research services to the clients upon demand:-

  • Development and use of statistical and data manipulation software including R, SPSS, Minitab, and SAS
  • Delivery of statistical analysis for clients in a variety of sectors including academics, healthcare, finance and risk management, environment and the public sector.
  • Development and delivery of bespoke statistical training courses both to University students and corporate clients.
  • Application of a variety of statistical techniques including regression modelling, statistical computing, time series analysis, Bayesian statistics, sample design and analysis, data visualisation and medical statistics.
  • Six Sigma Projects: Completed more than 10 Lean Six Sigma Projects for Healthcare Quality Improvement
  • Lecturer in Statistics, Jaya College of arts & science and Engineering (1999 -2004)
  • Biostatistician, Apollo Main Hospital (2004- 2008)
  • Biostatistician, Sankara nathralaya (2008- 2012)
  • 2005-2007: Visiting faculty…..Apollo College of Nursing
  • 2006-2012: Biostatistician-----Vel RS College of Nursing
  • 2007- 2011: Research consultant cum Biostatistician---Santosh Hospital.Besant nagar.Chennai.
  • Research consultant cum Biostatistician-----GG Hospital. Nugabakkam...Chennai.
  • 2006- 2008: Research consultant cum Statistician----Tamilnadulabour studies, Chennai.
  • 2006- 2012: Research consultant cum Biostatistician…..Bilroth Hospital, Chennai.
  • 2007- 2009: SPSS instructor ---- Vel tech technical university……Avadi.Chennai.
  • 2010- 2012: Visiting Faculty: MMM college of Nursing.
  • 2010- 2012: Biostatistician: M.V.Research Center for Diabetes. Chennai.


Intracuff buffered lidocaine versus saline or air- A comparative study for smooth extubation in patients with hyperactive airways undergoing eye surgery Jaichandranvv, DA, Bhanulaksbmi IM, DA, Jagadeesh, MD,Department of Anesthesiology Thennarasu M, M.Sc statistics, Department of Biostatistics. Vision Research Foundation, SankaraNethralaya.Chennai, Tami Nadu. India.

A method of Endotrachealturecuff inflationpaediatric patients undergoing general Anaesthesia-A pilot study. Dr.VVJaichandran, Dr. Bhanulaksbmi IM, Dr.R Sujatha, Dr.JKavitha Devi, Mr.ThennarasuRagavendra.Biostatistician. Vision Research Foundation, SankaraNethralaya.Chennai, Tami Nadu India.

Introduction to Biostatistics.1-Classifying Variables by type. M.Thennarasu.Biostatistician, Dr.VVJaichandran, Dr.VishnuVahanPrasan&Dr.RRSudhir.Department of Preventive Ophthalmology & Anesthesiology

Introduction to Biostatistics.2-Descriptive Statistics M.Thennarasu.Biostatistician, Dr.VVJaichandran, Dr.VishnuVahanPrasan&Dr.RRSudhir.Department of Preventive Ophthalmology & Anesthesiology

Introduction to Biostatistics.3-Testing of Assumptions M.Thennarasu.Biostatistician, Dr.VVJaichandran, Dr.VishnuVahanPrasan&Dr.RRSudhir.Department of Preventive Ophthalmology & Anesthesiology

Introduction to Biostatistics.4- Correlation Analysis M.Thennarasu.Biostatistician, Dr.VVJaichandran, Dr.VishnuVahanPrasan&Dr.RRSudhir.Department of Preventive Ophthalmology & Anesthesiology

Introduction to Biostatistics.5- Regression Analysis M.Thennarasu.Biostatistician, Dr.VVJaichandran, Dr.VishnuVahanPrasan&Dr.RRSudhir.Department of Preventive Ophthalmology & Anesthesiology

Effect of Sedation on Visual sensations in patients undergoing cataract surgery under topical anaesthesia: a prospective randomized masked trial. Jaichandran V.Venkatakrishnan1, Chandra M. Kumar,2Vineet Ratra,3 Jegadeesh Vishwanathan,4 Vijay A. Jeyaraman,5Thennarasu Ragavendra6.

Homocysteine induces oxidative stress in young adult central retinal vein occlusion. Subramaniam Rajesh Bharathi Devi,1Ganesan Suganeswari,2Tarun Sharma,2 Maruthamuthu Thennarasu,3Narayanasamy Angayarkanni1

Tear fluid small molecular antioxidants profiling shows lowered glutathione in Keratoconus. AluruVenkataSaijyothi,aJenofarFowjana,a Subramanian Madhumathi,bMahadevanRajeshwari,bMaruthamuthu Thennarasu,cPadmanabanPrema,dNarayanasamyAngayarkanni.a

Two dimensional electrophoretic analysis of human tears: Collection method in dry eye syndrome AluruVenkata Saijyothi,1Narayanasamy Angayarkanni,2Chandran Syama,2 Tatu Utpal,2 Agarwal Shweta,3 Srinivasan Bhaskar,3 Maruthamuthu Thennarasu,4 Rajappa M.Sivakumar,5Padmanaban Prema3

Factors influencing student’s overall satisfaction in Course Evaluation Surveys: An exploratory study A Al-Kuwaiti, T Maruthamuthu, A Al Kuwaiti International Journal of Education and Research 2 (7), 661-674

Factors associated with the quality of outpatient service: The application of factor analysis–A case study A Alkuwaiti, T Maruthamuthu, S Akgun International Journal of Healthcare Management, 1-6

A new performance improvement model: adding benchmarking to the analysis of performance indicator data A Al-Kuwaiti, K Homa, T Maruthamuthu The Joint Commission Journal on Quality and Patient Safety 42 (10), 462-465

Akademik tıp merkezi hastanesi için yeni bir hizmet memnuniyeti anketinin güvenirliği ve geçerliliği A Al-Kuwaiti, T Maruthamuthu Health Care 4 (1), 57

Yedi temel kalite aracının kullanımı ile ilgili performans değerlendirme ve iyileştirmesi için bir model: sağlık performansı için bir yol haritası A Al-Kuwaiti, T Maruthamuthu Health Care 3 (3), 111