Reducing the use of complex words and reducing sentence length to < 15 words improves readability of patient education materials regarding sports medicine knee injuries

"Sports-related knee injuries such as anterior cruciate ligament (ACL) or meniscus tears are very common. Approximately 50% of internet users have reported using the internet to learn more information about a specific medical treatment or procedure. The internet’s usefulness is dependent not only on the content available to patients, but also the health literacy of the patient consuming the information. Poor health literacy is associated with poor outcomes. The NIH and AMA recommend that online patient resources be written at or below the sixth-grade reading level. Online PEMs in Orthopaedics have consistently been shown to be written above the NIH-recommended sixth-grade reading level to the detriment of patient health literacy. “A 2018 analysis of the readability of 39 AAOS Sports Med PEMs found that all PEMs were written above the 6th-grade reading level with 36% written above a 12th-grade reading level.” (PMID: 30480008) While many studies have suggested strategies to improve the readability of PEMs, literature describing the benefit of these proposed changes is scarce. The purpose of this study is to develop a standardized method to improve readability of Orthopaedic PEMs without diluting their critical content by reducing the use of complex words (> 3 syllables) and shortening sentence length to [less than] 15 words."--Introduction