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Statistics Toolkit (STATTOOLS) is part of the Department of Obstetrics and Gynaecology of the Chinese University of Hong Kong and provides access to common statistical tests and functions commonly used by clinical researchers to prepare and plan clinical studies or to analyse data. The site was first established in mid-1990s as a resource for other researcher conducting clinical studies, performing quality control and reviewing data.

The content provided on StatTools is produced and maintained by Professors Allan Chang and Daljit Sahota. Prof Chang is Professor Emeritus of the Department of Obstetrics and Gynaecology whilst Prof Sahota is an Associate Professor in the same Department. Whilst both Profs Chang and Sahota are experienced researchers with many peer-reviewed scientific papers in leading journals, neither is a formally trained Statistician. The material provided in STATTOOLS is therefore intended as a supplement and not a replacement for formal lectures on statistical theory and data analysis which would be provided by a formal Statistician. The content and functions provided on STATTOOLS is based on past requests received by either Profs Chang or Sahota for assistance.

The Department of Obstetrics and Gynaecology of the Chinese University of Hong Kong, and all those associated with StatTools accept no responsibility for direct or indirect use of results of data analysed on the site. Every effort has been made to compare reported results with those reported by standard statistical software such as SPSS, MEDCalc and STATA to ensure that they are accurate and reliable.

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