Chlamydia trachomatis Serology in Women with and without Ovarian Cancer

Table 4

Frequencies and adjusted odds ratios (ORs) and 95% confidence intervals (CIs) for chlamydial elementary bodies optical-density (OD) units, in case and control subjects stratified by age.

	OD units	Case subjects	Control subjects	OR (95% CI)
Age 24–49	<0.10	69	82	1.0
	0.10–0.199	32	42	0.9 (0.5–1.6)
	0.20–0.399	18	37	0.6 (0.3–1.1)
	≥0.40	16	43	0.4 (0.2–0.9)
				Trend = .007
Age 50–56	<0.10	55	103	1.0
	0.10–0.199	22	47	0.9 (0.5–1.6)
	0.20–0.399	15	20	1.4 (0.7–3.0)
	≥0.40	19	38	0.9 (0.5–1.8)
				Trend = .908
Age 57–66	<0.10	58	88	1.0
	0.10–0.199	41	38	1.6 (0.9–2.8)
	0.20–0.399	19	31	0.9 (0.5–1.8)
	≥0.40	11	30	0.6 (0.3–1.2)
				Trend = .227
Age ≥67	<0.10	66	69	1.0
	0.10–0.199	43	46	1.0 (0.6 –1.7)
	0.20–0.399	21	25	0.9 (0.4 –1.7)
	≥0.40	16	27	0.6 (0.3 –1.3)
				Trend = .217