Use of Web-Based Videos in a Community Pharmacy to Optimize Inhalation Technique

Figures & data

Table 1 Patient Demographic Data

	Patients (n=229)
Age, years	54.9 [39.6; 65.2]
Male, n	104 (45.4)
Indication for inhaled therapy, n
COPD	61 (26.6)
Asthma	109 (47.6)
Other/unknown	59 (25.8)
Type of inhaler device, n
Dry powder	81 (35.4)
Metered dose	145 (63.3)
Soft mist	3 (1.3)
Patient training and skill, n
Had previously received training on inhaler use	219 (96.6)
Stated that they knew correct inhalation technique	195 (85.2)

Notes: Data are presented as median [interquartile range] or number of patients (percentage).

Abbreviation: COPD, chronic obstructive pulmonary disease.

Figure 1 Study flow chart.

Table 2 Characteristics of Patients with Correct versus Incorrect Inhalation Technique

	Inhalation Technique		p-value
	Correct (n=64)	Incorrect (n=165)
Age, years	53.6 [29.5; 63.4]	55.4 [40.7; 66.0]	N/A
Male, n	26 (40.6)	78 (47.3)	0.3792^a
Diagnosis
COPD	13 (20.3)	48 (29.1)	0.1494^c
Asthma	37 (57.8)	72 (43.6)
Other/unknown	14 (21.9)	45 (27.3)
Type of inhaler device, n
Dry powder	24 (37.5)	57 (34.5)	0.8884^c
Metered dose	39 (60.9)	106 (64.2)
Soft mist	1 (1.6)	2 (1.2)
Patient training and skill, n
Had previously received training on inhaler use	64 (100)	155 (93.9)	0.0656^a
Stated that they knew correct inhaler technique	61 (95.3)	134 (81.2)	0.0065^a
Have been using device since, years	12.5 [5; 26.75]	5 [1; 11.75]	<0.0001^b

Notes: Data are presented as median [interquartile range] or number of patients (percentage). ^aFisher’s exact test; ^bUnpaired t-test; ^cChi-square test.

Abbreviation: COPD, chronic obstructive pulmonary disease.

Figure 2 Inhalation technique. (A) The number of critical errors at screening and after having watched the video training material is given (n=165). Boxes represent interquartile range, whiskers demonstrate 5–95% percentile, means are indicated by the + symbol. (B) Number of patients with correct and faulty inhalation technique at screening (n=229), after having watched video training material (n=165), and after instruction by a member of the study team (n=85).