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. 2018 Oct 10;13:3255–3267. doi: 10.2147/COPD.S167272

Table 1.

Baseline characteristics of the study population (n=54) represented in mean (SD), median (IQR), or frequency (%)

Age, years (SD) 64.7 (8.6)
Male (%) 32 (59.3)
FEV1, litersa (SD) 1.26 (0.6)
FEV1 % predicteda (SD) 44.4 (18.2)
BMI, kg/m2,a (SD) 26.2 (4.8)
Follow-up time, days (SD) 55.4 (25.1)
Symptom-based exacerbation episodes per month (IQR) 1.1 (3.5)
Event-based exacerbation episodes per month (IQR) 0.0 (0.7)

Note:

a

n=44.

Abbreviations: IQR, interquartile range; BMI, body mass index; FEV1, forced expiratory volume in one second.