Safety and immunogenicity of three doses of non-typeable Haemophilus influenzae-Moraxella catarrhalis (NTHi-Mcat) vaccine when administered according to two different schedules: a phase 2, randomised, observer-blind study

Table 1 Characteristics of the study participants at enrolment (total vaccinated cohort)

Characteristic	0–2–6 schedule (N = 100)	0–2–12 schedule (N = 100)
Age (years) at dose 1, mean (SD)	58.4 (10.3)	59.8 (10.1)
Age range, n (%)
18–64 years	68 (68.0)	65 (65.0)
65–84 years	32 (32.0)	35 (35.0)
Female sex, n (%)	46 (46.0)	43 (43.0)
Race, n (%)
White	100 (100)	99 (99.0)
Native American/Alaska native	0	1 (1.0)
Smoking status, n (%)
Current smoker	66 (66.0)	54 (54.0)
Former smoker	34 (34.0)	46 (46.0)
Pack-years, mean (SD)	36.7 (17.2)	32.5 (16.8)

N, number of participants; n, number of participants in a specific category; SD, standard deviation. 0–2–6 schedule, group given vaccine at 0–2–6 months and placebo at 12 months; 0–2–12 schedule, group given vaccine at 0–2–12 months and placebo at 6 months

ISSN: 1465-993X