. 2020 Oct;146(4):840–850.e7. doi: 10.1016/j.jaci.2020.03.021

Table I.

Demographic data at baseline and during infection

Subjects	N	Sex (M/F)	Age (y)^∗	Smoking (pack-years)^∗	FEV₁ (% of predicted)^∗		FEV₁/FVC (%)^∗		Peak sputum virus load (log₁₀ copies/mL)
Subjects	N	Sex (M/F)	Age (y)^∗	Smoking (pack-years)^∗	Baseline	Day 9	Baseline	Day 9	Peak sputum virus load (log₁₀ copies/mL)
Nonsmoker	11	4/7	62 ± 5.1^†	0 ± 0	101 ± 11.8	89 ± 10.8	78 ± 3.7	87 ± 9.0	7 ± 2.4
Smoker	20	10/10	51 ± 7.1	34 ± 10.5	104 ± 14.5	89 ± 26.1	79 ± 5.7	73 ± 9.0	6 ± 3.6
COPD	17	12/5	61 ± 8.1^†	46 ± 21.0^‡	68 ± 5.1^§	58 ± 11.7^§	57 ± 8.1^§	54 ± 10.1^§	8 ± 3.9

FVC, Forced vital capacity.

^∗

Results are expressed as mean ± SD.

^†

P = .0003 vs smokers (Student t test).

^‡

P = .025 vs smokers (Student t test).

^§

P < .0001 vs nonsmokers and smokers.