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. 2015 May 4;10:881–889. doi: 10.2147/COPD.S78748

Table 1.

Patient characteristics

Chronically colonized with H. influenzae N=10 Not chronically colonized with H. influenzae n=21
Females/males, n 6/4 9/12
Age, years 68 (63–70) 65 (57–73)
Smokers/ex-smokers, n 2/8 6/15
Pack-years 39 (32–44) 40 (35–50)
Exacerbates, n 7 11
GOLD 1, n 0 1
GOLD 2, n 2 6
GOLD 3, n 6 9
GOLD 4, n 2 5

Notes: All patients had FEV1/FVC <0,7, and GOLD stages were defined as GOLD 1 (FEV1 ≥80% of predicted normal), GOLD 2 (50≥FEV1,80%p), GOLD 3 (30≥ FEV1 <50%p) and GOLD 4 (FEV1 <30%p). Exacerbates = number of patients that exacerbate during the study.

Abbreviations: FEV1, forced expiratory volume in 1 second; GOLD, Global Initiative for Chronic Obstructive Lung Disease; H. influenzae, Haemophilus influenzae; %p, % of predicted normal.