International Scholarly Research Notices / 2014 / Article / Tab 9 / Clinical Study
The Prevalence of Tonsilloliths and Other Soft Tissue Calcifications in Patients Attending Oral and Maxillofacial Radiology Clinic of the University of Iowa Table 9 Mean values of observations for the case group.
Variable Subjects (
) Mean Standard deviation Minimum Maximum Median Last tonsillitis (weeks ago)
3.75 3.10 1.00 8.00 3 Episodes of tonsillitis per year 5 2.00 2.35 0.00 6.00 1.00 When quit smoking (weeks ago) 3 312.00 187.49 156.00 520.00 260.00 Num. of cigarettes per day 3 7.33 10.97 1.00 20.00 1.00 Last dental cleaning (weeks ago) 8 226.88 162.92 43.00 520.00 234.00 Size of tonsiliths (mm) 10 4.50 1.08 3.00 6.00 4.50 Age of subject (years) 10 42.70 22.39 17.00 82.00 39.00
