Munich Personal RePEc Archive

Cost-Utility study for operative methods in spinal surgery

Balaska, Dimitra and Pollalis, Yannis and Dimogerontas, George and Bitsori, Zoi and Karaferis, Dimitrios and Malisiova, Vasiliki (2020): Cost-Utility study for operative methods in spinal surgery.

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AIM: The purpose of the present study is to evaluate the quality of life (QoL) of patients with spinal problems before and after surgery with the use of the EQ-5D-5L health status questionnaire.

MATERIALS - METHODS: The research is based on primary data collection of 314 patients who completed the questionnaires at three different times: a) preoperatively; that is, after completion of conservative treatment which involved medication, physiotherapy, etc., b) ten days postoperatively and c) immediately after the first post-operative month.

RESULTS: Out of the 314 patients, aged between 34 and 79 years (mean age 52±15,07) who participated in this study, 172 were males (54,8%) and 142 females (45,2%). 77,71% of the patients suffered from a herniated intervertebral disc and 22,29% from spondylolisthesis in the lumbar region. Total improvement of the quality of life (QoL) in our study was on average 0,59 QALYs at 10 days and 0,82 QALYs at 30 days. The total average direct cost of these surgical interventions amounted to 9341,86±4042,53 euro while the index of cost-utility for the sample population was estimated to be 15870,16 euro/ QALY at 10 days. This index decreased considerably to 11867,14 euro/ QALY at 30 days after the surgical intervention since the average benefit in QALYs increased and the QoL improved.

CONCLUSIONS: The evaluation of the data of this study was highlighted the high degree of effectiveness of each surgery applied to treat the symptomatology of patients . All the statistical tests applied to the sample showed a very significant improvement of all variables used by the questionnaire for all intervals evaluated after surgery. Lastly, there has also been a very large improvement in the overall QoL of patients.

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