Normal % (number)

 OSSN % (number)

Total number

p-value

Age

Number Mean

91 54.26

14 57.50

105

0.442 (t-test)

Gender

Female Male

94.4% (34) 82.6% (57)

5.6% (2) 17.4% (12)

36 69

0.131 (Fisher’s exact test)

Side of surgery

Right Left

86% (43) 87% (47)

14% (7) 13% (7)

50 54

0.877 (Chi square test)