Table 4

Concordance between the days-supply-PER and the days-supply-Rx in sample 2

ICS, number of puffs/canisterAge 0–11 yearsAge 12–64 years
Number of prescriptionsConcordance (%; 95 CI)Number of prescriptionsConcordance (%; 95 CI)
Correction factorsCorrection factors
BeforeAfterBeforeAfter
Beclomethasone, 2004334.9; 30.2 to 39.951.2; 46.0 to 52.31118.2; 11.7 to 27.281.8; 72.8 to 88.3
Budesonide, 200742.9; 31.1 to 55.557.1; 44.5 to 68.923521.3; 19.5 to 23.160.0; 57.8 to 62.1
Ciclesonide, 12014936.9; 34.3 to 39.640.3; 37.6 to 43.011428.1; 25.3 to 31.075.4; 72.6 to 78.1
Fluticasone, 602100.0; 81.5 to 100.0100.0; 81.5 to 100.07270.8; 67.1 to 74.380.6; 77.2 to 83.5
Fluticasone, 12058348.4; 47.0 to 49.863.8; 62.5 to 65.190053.3; 52.2 to 54.577.9; 76.9 to 78.8
Mometasone, 30*08100.0; 94.6 to 100.0100.0; 94.6 to 100.0
Mometasone, 60*0250.0; 28.5 to 71.550.0; 28.5 to 71.5
Budesonide/formoterol, 120560.0; 45.0 to 73.360.0; 45.0 to 73.330657.8; 55.9 to 59.759.1; 57.2 to 61.0
Fluticasone/salmeterol, 601100.0; 68.7 to 100.0100.0; 68.7 to 100.011489.5; 87.4 to 91.395.6; 94.1 to 96.7
Fluticasone/salmeterol, 1202055.0; 47.5 to 62.360.0; 52.5 to 67.19278.3; 75.2 to 81.089.1; 86.7 to 91.1
Mometasone/formoterol, 120*01275.0; 65.8 to 82.475.0; 65.8 to 82.4
All81045.9%; 44.7% to 47.1%59.4%; 58.2% to 60.5%186652.7%; 51.9% to 53.5%74.2%; 73.5% to 74.9%
  • *No correction factor developed for these three drugs in sample 1.

  • days-supply-PER, number of days of supply of the medication in each filled prescription, as recorded in the pharmacy electronic record; days-supply-Rx, number of days of supply of the medication in each filled prescription, as calculated from the dosage written on the original prescription; ICS, inhaled corticosteroid.