Function of Serum Complement in Drinking Water Arsenic Toxicity

Table 1

Complement-mediated and complement-inactivated bactericidal activities in the serum of arsenic patients and control subjects.

Study subjects	% Bactericidal activity (mean ± SD)
	Complement-mediated	Complement inactivated
Arsenic patients 𝑁=125	92.1 ± 16.0	19.4 ± 8.6
	Median: 97.3	Median: 18.6
	Range: 24.6–99.9	Range: 3.3–33.0
Control subjects 𝑁=125	99.1 ± 1.4	18.2 ± 6.9
	Median: 99.4	Median: 17.1
	Range: 92.2–100	Range: 6.2–35.3
Statistics (𝑃 value)	<0.01	NS