Table 1

Seropositivity# to Chlamydia pneumoniae according to age

Age yrsSubjects nSeropositivity n (%)
≤1910 (0.0)
20–292918 (62.1)
30–395338 (71.7)
40–495443 (79.6)
50–595847 (81.0)
60–699468 (72.3)
70–79134102 (76.1)
80–8910379 (76.7)
90–99139 (69.2)
  • #: antibody titre≥1:16