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Reliability and validity of measuring scale for postoperative complications in third molar surgery
Pedro Christian Aravena1,2, Paula Astudillo3,4, Horacio Miranda5
1Dental School, Faculty of Medicine, Universidad Austral de Chile, Valdivia, Chile. paravena@uach.cl.
BMC Oral Health
|February 23, 2018
Summary
A new scale reliably measures complications after third molar surgery (TMS). This validated tool categorizes severity, aiding clinical assessment and improving patient outcomes in oral surgery.
Area of Science:
- Oral and Maxillofacial Surgery
- Surgical Outcomes Research
- Health Measurement Scales
Background:
- Third molar surgery (TMS) is a common oral and maxillofacial procedure.
- Quantifying postoperative complications is crucial for patient care.
- A previous scale for measuring complications was introduced in 2014.
Purpose of the Study:
- To determine the reliability and validity of a newly designed scale for measuring postoperative complications in third molar surgery (TMS).
Main Methods:
- A cross-sectional study involving 62 patients undergoing TMS in three Chilean hospitals.
- Independent postoperative assessments were conducted by a maxillofacial surgeon and a surgical resident on postoperative day 7.
- Confirmatory factor analysis and structural equation modeling were used to assess validity, internal consistency, and interobserver reliability.
Main Results:
- The scale demonstrated good reliability with a Cronbach's alpha of 0.71 and interobserver reliability of 87.7%.
- The scale identified two main components: "Secondary complication" and "Infection".
- Complications were categorized into three severity levels: "without or mild", "moderate", and "severe".
Conclusions:
- The "Surgical complication assessment scale in TMS" is a reliable and valid instrument.
- This scale provides a standardized method for quantifying postoperative complications after third molar surgery.
- The validated scale can aid in clinical decision-making and patient management.
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