It is pretty common. The lifetime risk for developing appendicitis if you are male is 8.6% and if you are female is 6.7%
Appendices
(Appendices is the plural of the noun appendix) Most of the statistical information in his book was collected in the appendices. The legislature's appendices to the jobs bill consisted of several dozen pages.
There are five appendices to Constitution of India.
A Year with Swollen Appendices was created in 1995.
A Year with Swollen Appendices has 424 pages.
appendices starts with a and experimental data with e
How about something like... The appendices of a book list points of reference.
The correct plural form of "appendix" in most contexts is "appendices." However, "appendixes" is also acceptable, particularly in informal usage. In academic or formal writing, "appendices" is preferred.
Appendices.\
There are four (4) active appendices
The extra content which is of least importance and which supports your report is known as Appendices.
Generally, when speaking of the vermiform appendix, the plural is appendixes; but when speaking of additional material added to a scholarly work or an official document, the plural is appendices.