Identifying heavy health care users among primary care patients with chronic non-cancer pain
Canadian Pharmacists Conference ePoster Library. Antaky E. 05/29/15; 98463; 6
Mr. Elie Antaky
Mr. Elie Antaky
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Identifying heavy health care users among primary care patients with chronic non-cancer pain

Poster #: P42


ElieAntaky, M.Sc Candidate


ElieAntaky, M.Sc Candidate; Manon Choiniere,PhD, MireilleSchnitzer, PhD; ElisabethMartin, M.Sc; DjamalBerbiche, PhD;Sylvie Perreault, PhD;David Lussier, M.D;Lyne Lalonde, B.Pharm, PhD

OBJECTIVE(S): To identify predictors of high direct healthcare costs among patients with chronic non-cancer pain (CNCP) followed in primary care.

METHOD(S): Patients reporting CNCP, with an active painkiller prescription from a family physician and covered by the Regie d'assurance Maladie du Quebec (RAMQ) insurance were selected. They completed questionnaires about their socio-demographic, psychosocial and clinical characteristics. Direct healthcare costs for the year preceding and following recruitment included prescribed pain medications, outpatient services, pain related hospitalizations and emergency room (ER) admissions. Healthcare costs were documented using the administrative database. Patients’ characteristics were compared between patients in most expensive annual healthcare costs quartile following recruitment and the rest of patients. A logistic regression using the Akaike information criterion was used to identify predictors of high healthcare costs. Odds ratios were calculated for variables included in the final model.

RESULT(S): Patients (n=302) mean annual direct health care costs were $4,315 ($7,031). The costs were mainly related to prescribed pain medications (60%). High costs in the year following recruitment were predicted by previous prescribed pain medications costs (OR =11.5, 95% CI=6.14-21.5). Higher Brief Pain Inventory score (OR=1.24, 95% CI=1.04-1.47), Charlson Comorbidity Index (OR=1.28, 95% CI=1.10-1.53) and pain in the lower body (OR=2.12, 95% CI=1.01-4.42) predicted higher CNCP healthcare costs.

CONCLUSION(S): Patients with high pain medication costs during the previous year, suffering from pain related disability, comorbidities and low body pain are prone to have high healthcare costs during the following year.

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