Effect of a Multidimensional Pharmaceutical Care Intervention on Inhalation Technique in Patients with Asthma and COPD

Table 3

Correctness of inhaler usage score in the intervention group and control group pre- and postintervention.

Time of evaluation	Intervention group (n = 133)	Control group (n = 126)
Step 1, n (%)
Preintervention	89 (68.42)	82 (65.08)	<0.001^a
Postintervention	130 (97.74)	85 (67.46)	<0.001^b
Step 2, n (%)
Preintervention	94 (70.68)	93 (73.81)	<0.001^a
Postintervention	127 (95.49)	104 (82.54)	0.001^b
Step 3, n (%)
Preintervention	112 (84.21)	109 (86.51)	<0.001^a
Postintervention	130 (97.74)	113 (89.68)	0.015^b
Step 4, n (%)
Preintervention	97 (72.93)	83 (65.87)	<0.001^a
Postintervention	129 (96.99)	88 (69.84)	<0.001^b
Step 5, n (%)
Preintervention	120 (90.22)	120 (95.24)	0.003^a
Postintervention	132 (99.25)	122 (96.83)	0.335^b
Step 6, n (%)
Preintervention	120 (90.22)	110 (87.30)	0.087^a
Postintervention	127 (95.49)	111 (88.10)	0.051^b
Step 7, n (%)
Preintervention	61 (45.86)	56 (44.44)	<0.001^a
Postintervention	115 (86.47)	58 (46.03)	<0.001^b
Step 8, n (%)
Preintervention	79 (59.40)	76 (60.32)	<0.001^a
Postintervention	124 (93.23)	81 (64.29)	<0.001^b
Step 9, n (%)
Preintervention	86 (64.66)	82 (65.08)	<0.001^a
Postintervention	126 (94.74)	84 (66.67)	<0.001^b

^aComparison between pre- and postintervention in the intervention group. ^bComparison between the intervention group and control group postintervention.