Improving Influenza Vaccination Coverage Among Patients With COPD: A Pilot Project

Figures & data

Figure 1 Vaccination poster.

Table 1 Baseline Characteristics Of The Study Population

Characteristics	Study Population (n=348)
Mean age (yrs)	72.8 (9.3)
Male	328 (92.0%)
Community ambulant	272 (78.2%)
Presence of family support	232 (66.7%)
Ethnicity
Chinese	256 (73.6%)
Malay	55 (15.8%)
Indian	19 (5.5%)
Others	18 (5.2%)
Received pneumococcal vaccination	148 (42.8%)
Smoker	117 (33.6%)
Ex-smoker	231 (66.4%)
Comorbidities
Ischemic heart disease	112 (32.2%)
Hypertension	199 (57.2%)
Hyperlipidemia	159 (45.7%)
Diabetes	63 (18.1%)
Sleep disorders	7 (2.0%)
COPD severity
GOLD group
Group A	142 (40.8%)
Group B	140 (40.2%)
Group C	30 (8.6%)
Group D	36 (10.3%)
FEV1 severity
GOLD 1	24 (6.9%)
GOLD 2	160 (46.0%)
GOLD 3	132 (37.9%)
GOLD 4	32 (9.2%)
Pulmonary hypertension	115 (33.1%)
Cor pulmonale	17 (4.9%)
Long-term oxygen therapy	26 (7.5%)
Prior intubation	65 (18.7%)
Prior non-invasive ventilation	85 (24.4%)

Table 2 Influenza Vaccination Status

Characteristics	Pre-Intervention	Post-Intervention	OR (95% CI)*	P-Value
Received vaccination	166 (47.7%)	281 (80.7%)	4.6 (3.3–6.5)	< 0.001
Doctor intervention		247 (87.9%)
Nurse intervention		34 (12.1%)
Patient education		0
Declined vaccination	63 (18.1%)	22 (6.3%)	0.31 (0.18–0.51)	< 0.001
Vaccination not offered	119 (34.2%)	45 (12.9%)	0.29 (0.20–0.42)	< 0.001

Note: *Reference group: Pre-intervention.

Table 3 What Improved Doctor’s Vaccination Prescription Behaviour?

Interventions	Response (n=16)
Self-realisation that our influenza vaccination rates were poor	9
Vaccination card reminders	4
Newly minted electronic medical records	5
Others	3

Statement Of Data Availability

The authors confirm that the data supporting the findings of this study are available within the article and tables. They are also available on request from the corresponding author, Andrew Li. The data is not publicly available due to the information that could compromise the privacy of the research participants.