Table 2.

Parasitic infection of participants in a study of intestinal parasite co-infection among pulmonary tuberculosis cases without HIV infection in a rural county in China^*

Parasite	PC group (n = 369)		HC group (n = 366)		OR (95% CI)	Adjusted OR (95% CI)†
	No. infections	Infection rate (95% CI)	No. infections	Infection rate (95% CI)
Intestinal protozoa	29	7.9% (5.3–11.1%)	35	9.6% (6.8–13.0%)	0.81 (0.48–1.35)	0.78 (0.45–1.37)
Entamoeba spp.	5	1.4% (0.4–3.1%)	8	2.2% (0.9–4.3%)	0.61 (0.20–1.90)	0.59 (0.18–1.99)
Blastocystis hominis	23	6.2% (4.0–9.2%)	28	7.6% (5.1–10.9%)	0.80 (0.45–1.42)	0.78 (0.42–1.46)
Giardia lamblia	0	NA	1	0.3% (0.3–1.5%)	NA	NA
Trichomonas hominis	1	0.3% (0.3–1.5%)	0	NA	NA	NA
Helminths	28	7.6% (5.1–10.8%)	30	8.2% (5.6–11.5%)	0.92 (0.54–1.57)	1.06 (0.55–2.05)
Clonorchis sinensis	1	0.3% (0.3–1.5%)	2	0.5% (0.1–2.0%)	0.49 (0.04–5.48)	NA
Ascaris lumbricoides	2	0.5% (0.1–1.9%)	5	1.4% (0.4–3.2%)	0.39 (0.08–2.04)	0.10 (0.01–1.44)
Trichuris trichiura	8	2.2% (0.9–4.2%)	13	3.6% (1.9–6.0%)	0.60 (0.25–1.47)	0.93 (0.34–2.58)
Hookworm	17	4.6% (2.7–7.3%)	15	4.1% (2.3–6.7%)	1.13 (0.56–2.30)	1.28 (0.55–2.97)
Intestinal parasites	55	14.9% (11.4–19.0%)	61	16.7% (13.0–20.9%)	0.88 (0.59–1.30)	0.90 (0.57–1.43)

^*HIV = human immunodeficiency virus; PC = pulmonary tuberculosis case; HC = healthy control; CI = confidence interval, OR = odds ratio, NA = not applicable.

^†Adjusted for sociodemographic characteristics, health conditions, hygienic habits, and labor in farmlands.