Cases N = 85 (%)
Controls N = 85 (%)
Chlamydia IgG index
0 - 0.99
1 - 1.99
2 - 2.99
≥3
32 (37.6)
13 (15.3)
30 (35.3)
10 (11.8)
60 (71)
16 (19)
6 (7)
3 (3)
p = 0.0001