Skip to main content

Table 1 Study population characteristics

From: Anti-protein immunoglobulin M responses to pneumococcus are not associated with aging

 

LRTI (n = 19)

Controls (n = 19)

Healthy volunteers (n = 10)

Age (mean ± SD) (yr)

64.5 (15.8)

10 (53)

64.6 (14.5)

10 (53)

21.2 (2.4)

5 (50)

Female gender (n [%])

Smoker/ex-smoker (n [%])

15 (79)

10 (53)

0 (0)

PPV (n [%])

7 (37)

8 (42)

0 (0)

Contact with children (n [%])

10 (53)

12 (63)

0 (0)

Corticosteroid use (n [%])

16 (84)

3 (16)

0 (0)

COPD (n [%])

8 (42)

2 (11)

0 (0)

Asthmatic (n [%])

5 (26)

1 (5)

0 (0)

  1. COPD, chronic obstructive pulmonary disease; LRTI, lower respiratory tract infection; PPV, pneumococcal polysaccharide vaccine