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. 2012 Aug;58(8):862–868.

Table 3.

Proportion of inappropriate medications and proportion of patients receiving inappropriate medications according to MAI criteria

MAI CRITERIA MEDICATIONS, %
PATIENTS, %
BASELINE (N = 764) END POINT (N = 774) BASELINE (N = 112) END POINT (N = 114)
Indication 3.0 0.6* 17.9 3.5*
Effectiveness 1.0 0.4* 6.3 2.6
Dosage 5.5 1.0* 32.1 6.1*
Correct directions 3.8 1.7* 21.4 9.6
Practical directions 7.1 3.5* 33.0 20.2
Drug-drug interactions 6.7 0.8* 24.1 1.8*
Drug-disease interactions 3.9 0.8* 23.2 5.3*
Duplication 2.4 0.9* 10.7 5.3
*Statistically significant change at P < .001. 7.3 2.5* 33.9 13.2*
Statistically significant change at P < .05. 27.2 8.9* 77.7 38.6*

MAI – medication appropriateness index.

*

Statistically significant change at P < .001.

Statistically significant change at P < .05.