Table 3.

Proportions of participants with a new diagnosis of chronic obstructive pulmonary disease (COPD) receiving treatments, by study group. Data show number of participants eligible for each intervention and the number (%) receiving each intervention within 12 months of diagnosis

COPD treatment	Group with history of illicit opioid use	Comparison group
Seasonal influenza vaccine (years after COPD diagnosis)
1	1798/3833 (46.9)	8258/16 476 (50.1)
2	1629/3167 (51.4)	8056/14 473 (55.7)
3	1302/2547 (51.1)	6812/12 055 (56.5)
4	1039/2007 (51.8)	5792/10 021 (57.8)
≥5	3447/6332 (54.4)	21 942/35 861 (61.2)
Pneumococcal vaccine	467/3203 (14.6)	2732/15 700 (17.4)
Pulmonary rehabilitation referral	270/3903 (6.9)	880/19 515 (4.5)
Bronchodilators or corticosteroids	3164/3318 (81.1)	14 559/16 590 (74.6)
Smoking cessation support	672/2855 (23.5)	2815/11 027 (25.5)