1. Rounding numbers The Journal of Thoracic and Cardiovascular Surgery
Eugene H. Blackstone, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 152, Issue 6, Pages (December 2016)
DOI: /j.jtcvs
Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Raw statistical printout summarizing several aspects of the distribution of preoperative high-density lipoprotein (HDL) cholesterol in a study of 977 patients. Note the variable number of digits and significant figures.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

3. Sample printout of summary statistics.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions