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Table 4 Index of Rational Drug Prescribing (IRDP) and Index of Rational Patient-Care Drug Use (IRPCDU) across the different categories of pharmacies

From: WHO/INRUD Core drug use indicators and commonly prescribed medicines: a National Survey from Sri Lanka

  Overall Privately owned State owned
(‘Rajya Osusala’ – SPC)
SPC Franchisee
Prescribing Indicators
 1. Index of non-polypharmacya 0.55 0.59 0.47 0.55
 2. Index of rational antibiotic useb 0.98 0.86 1.00 0.91
 3. Index of safe injection usec 1.00 1.00 1.00 1.00
 4. Index of generic prescribingd 0.36 0.32 0.41 0.35
 5. Index of EML prescribingd 0.69 0.70 0.68 0.69
 Index of rational drug prescribing (1 + 2 + 3 + 4 + 5) 3.58 3.47 3.56 3.50
Patient-care Indicators
 1. Index of actually dispensed drugsd 0.92 0.94 0.90 0.93
 2. Index of labeling of drugsd 0.98 0.98 0.99 0.99
 Index of Rational Patient-Care Drug Use (1 + 2) 1.90 1.92 1.89 1.92
  1. Optimal value taken asa1.7, b23.4, c18.75, d100; EML – essential medicines list