TABLE 2.

Total Ig levels in female genital tract secretions from noninfected subjects and patients with STD

Sample	Ig isotype	Median Ig level (μg/ml) (range) [n])
		No current infection	Current infection witha:
			Tva and/or Ctr	Ngo	Ngo, Tva, and/or Ctr
Cervical mucus	IgA1	46 (1–227 [18])	67 (5–1,150 [13])	68 (10–630 [10])	33 (1–129 [7])
	IgA2	30 (2–140 [17])	37 (2–356 [12])	13 (0–196) [8])	14 (1–67 [7])
	IgG	128 (2–2,732 [18])	162 (20–950 [13])	116 (5–1,353 [11])	177 (38–1,891 [7])
	IgM	17 (1–111 [17])	26 (0–1,080 [13])	60 (8–116 [9])	13 (3–51 [8])
Vaginal wash	IgA1	4.9 (0.2–70.0 [17])	1.8 (0.1–20.7 [13])	4.6 (0.6–39.4 [10])	8.6 (1.1–35.8 [8])
	IgA2	4.2 (0.2–44.6 [17])	2.7 (0.0–28.5 [13])	3.1 (0.0–11.4 [10])	2.0 (0.0–19.9 [8])
	IgG	18.3 (1.0–218.9 [17])	25.3 (0.7–57.6 [13])	12.3 (3.1–72.2 [12])	11.3 (4.2–171.7 [8])
	IgM	0.6 (0.0–13.7 [10])	0.5 (0.0–3.7 [9])	1.9 (0.1–2.6 [3])	0.6 (0.1–0.8 [3])

^aCtr, C. trachomatis; Tva, T. vaginalis; Ngo, N. gonorrhoeae.