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Table 1 Intervention and control groups: demographic data

From: Impact of a change of bronchodilator medications in a hospital drug formulary on intra- and out-of-hospital drug prescriptions: interrupted time series design with comparison group

CharacteristicsIntervention groupControl group
N = 445,474N = 549,292
Age—n (%)  
 0–18 years67,347 (15.1)83,157 (15.1)
 19–30 years47,669 (10.7)56,328 (10.2)
 31–50 years134,660 (30.3)171,673 (31.2)
 51–70 years119,066 (26.7)144,879 (26.4)
 > 70 years76,732 (17.2)93,255 (17.0)
Sex—n (%)  
Men215,653 (48.4)263,249 (47.9)
Women229,821 (51.5)286,043 (52.1)