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Table 2 Final set of additional quality indicators resulting from consensus process

From: Evidence-based indicators for the measurement of quality of primary care using health insurance claims data in Switzerland: update of the SQUIPRICA working group

Nr.

Category

Subject

Nominator

Denominator

Comments

1

General aspects/ efficiency

Contiuity of care (UPC index)

Sum of insured persons with consultation at the regular GP

Sum of insured persons with consultation (total: regular GP, GP, specialist)

Continuity of care threshold: Low (< 0.75), High (≥0.75); Only insured persons with ≥3 consultations were considered due to potential bias with small number of consultations.

Additional option: Sum of insured persons with consultation at the regular GP/ Sum of insured persons with consultation at the GP

2

General aspects/ efficiency

Management continuity between hospital and GP (among persons ≥65 years)

Sum of insured persons aged 65 year or older who encountered a GP within 4 weeks after hospital discharge

Sum of insured persons aged 65 year or older who were discharged from hospital

Supplementary material: Sum of insured persons aged 65 year or older who encountered a healthcare provider within 4 weeks after hospital discharge/ Sum of insured persons aged 65 year or older who were discharged from hospital

3

General aspects/ efficiency

Prescription ratio of biosimilars

Sum of insured persons with biosimilar prescriptions

Sum of insured persons with biosimilar or biological prescriptions

 

4

Laboratory testing

Vitamin D testing

Sum of insured persons who received Vitamin D testing

Sum of insured persons

Additional option: Sum of insured persons who received multiple/ repeated Vitamin D test / Sum of insured persons ≥1 Vitamin D test

5

Laboratory testing

Potassium check during diuretic therapy

Sum of insured persons aged 75 with loop diuretic/thiazide prescriptions who received a potassium check within a year

Sum of insured persons aged 75 with loop diuretic prescriptions

 

6

Osteoarthritis

Arthroscopic knee intervention without prior physiotherapy

Sum of insured persons without physiotherapy 6 months prior to arthroscopic knee intervention

Sum of insured persons with knee arthroscopy

Additional option: Sum of insured persons who had GP consultation of knee imaging 6 months prior to knee arthroscopy/ Sum of insured persons with knee arthroscopy

Cave: Exclude accidents from the analytic study sample.

7

Drug safety

Potentially inappropriate use of proton pump inhibitor

Sum of insured persons with Potentially inappropriate use of proton pump inhibitor prescription

Sum of insured persons

Operationalization is based on Muheim et al. (2021)

8

Drug safety

Potentially inappropriate use of opioids

Sum of insured persons with potentially inappropriate opioid prescription

Sum of insured persons

Operationalization is based on Wertli et al. (2017)

9

Drug safety

Iron infusion without prior diagnostics and oral treatment

Sum of insured persons who received an iron infusion without receiving 1 month prior a ferritin test and an oral iron therapy

Sum of insured persons who received an iron infusion

Relevance in women much higher than in men.

Additional option: Sum of insured persons who received an iron infusion without prior ferritin test and/or oral iron therapy

  1. UPC Usual Provider Continuity Index