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Simple questionnaire for assessing core outcomes in inguinal hernia repair
1Department of Surgery, Kantonsspital Graubünden, Loëstrasse 170, 7000 Chur, Switzerland.
The British Journal of Surgery
|September 4, 2010
Summary
The Core Outcome Measures Index adapted for hernia (COMI-hernia) and EuroQol-visual analogue scale (EQ-VAS) are reliable tools for assessing surgical outcomes in patients with inguinal hernia. These instruments demonstrate good validity and responsiveness, aiding in patient-centered outcome evaluation.
Area of Science:
- Surgical outcomes assessment
- Patient-reported outcome measures
- Hernia surgery evaluation
Background:
- Patient-oriented questionnaires are crucial for evaluating surgical outcomes.
- Assessing the psychometric properties of instruments is vital for reliable data collection.
- Inguinal hernia surgery outcomes require effective patient-centered assessment tools.
Purpose of the Study:
- To evaluate the psychometric properties of the Core Outcome Measures Index adapted for hernia (COMI-hernia) and the EuroQol instrument.
- To determine the practicability, reliability, validity, and responsiveness of these questionnaires in patients undergoing inguinal hernia surgery.
- To identify the most suitable instruments for multidimensional outcome assessment in this patient population.
Main Methods:
- Fifty-one patients undergoing inguinal hernia surgery were enrolled.
- Practicability, floor/ceiling effects, test-retest reliability, construct validity, and responsiveness (Standardized Response Mean - SRM) of COMI-hernia and EuroQol were assessed.
- Data were collected at baseline and 9 months post-surgery, with reliability assessed over a 2-week interval.
Main Results:
- Both COMI-hernia and EuroQol-visual analogue scale (EQ-VAS) were practical and well-accepted.
- COMI-hernia showed minimal ceiling effects (2%), EQ-VAS 8%, and EuroQol-Five Dimensions (EQ-5D) 35%; no floor effects were observed.
- COMI-hernia demonstrated good test-retest reproducibility (intraclass correlation coefficient [ICC] 0.74) and strong validity (r = 0.42–0.72), with the highest responsiveness (SRM 1.42).
Conclusions:
- The COMI-hernia and EQ-VAS are reliable, valid, and sensitive tools for assessing multidimensional outcomes in patients with inguinal hernia.
- These instruments facilitate comprehensive patient-centered evaluation of surgical treatment effectiveness.
- The findings support the use of COMI-hernia and EQ-VAS in clinical practice and research for inguinal hernia surgery.
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