Skip to main content
. 2022 Apr 26;16(5):906–915. doi: 10.1111/irv.12994

TABLE 1.

Participant demographic and baseline characteristics (main study)

Influenza (n = 280) RSV (n = 120)
Age, mean (SD), years 59.7 (16.9) 63.1 (15.9)
18 to ≤59 years, n (%) 130 (46.4) 47 (39.2)
60 to ≤64 years, n (%) 40 (14.3) 12 (10.0)
65 to ≤74 years, n (%) 60 (21.4) 34 (28.3)
≥75 years, n (%) 50 (17.9) 27 (22.5)
Female, n (%) 149 (53.2) 81 (67.5)
Acute respiratory symptom length before hospitalization, mean (SD), days 4.2 (4.1) 5.5 (4.8)
≤3 days, n (%) 160 (57.1) 50 (41.7)
>3 days, n (%) 120 (42.9) 70 (58.3)
Additional concurrent medical conditions during hospitalization, a n (%) n = 164 n = 75
Acute exacerbation of asthma or COPD 40 (24.4) 25 (33.3)
Any transplantation 1 (0.6) 1 (1.3)
Exacerbation of congestive heart failure 27 (16.5) 17 (22.7)
Hypoxemia 41 (25.0) 26 (34.7)
Malignancy or need for diagnostic workup 4 (2.4) 4 (5.3)
Sepsis 35 (21.3) 11 (14.7)
O2 supplementation at screening visit, n (%) 133 (47.5) 86 (71.7)
NEWS scale at screening, b mean (SD) 3.4 (2.5) 4.3 (2.6)
Total clinical symptom score, mean (SD) c 14.9 (5.4) 16.1 (5.6)
18 to ≤59 years d 14.8 (5.4) 15.1 (6.1)
60 to ≤64 years e 16.2 (4.5) 19.2 (4.5)
65 to ≤74 years f 14.3 (5.8) 16.7 (5.5)
≥75 years g 14.5 (5.4) 15.5 (5.1)
Residence pre‐hospitalization, n (%)
LTCF 2 (0.7) 4 (3.3)
Private residence 256 (91.4) 110 (91.7)
Retirement community 5 (1.8) 2 (1.7)
Other 11 (3.9) 2 (1.7)
Not reported 6 (2.1) 2 (1.7)

Abbreviations: COPD, chronic obstructive pulmonary disease; LTCF, long‐term care facility; NEWS, National Early Warning Score; RSV, respiratory syncytial virus; SD, standard deviation.

a

Additional concurrent medical conditions during hospitalization are not inclusive of one another. Responses with multiple conditions were allowed.

b

Data available for 271/280 patients with influenza and 109/120 patients with RSV.

c

Data available for 273/278 patients with influenza and 119/120 patients with RSV.

d

Data available for 130/130 patients with influenza and 47/47 patients with RSV.

e

Data available for 39/40 patients with influenza and 12/12 patients with RSV.

f

Data available for 57/60 patients with influenza and 34/34 patients with RSV.

g

Data available for 47/50 patients with influenza and 26/27 patients with RSV.