Cross-Reaction between the Crude Hydatid Cyst Fluid Antigens of Human and Animals Origin in Response to Human IgG Class and Subclasses

Table 7

Mean, Standard deviation, confidence interval, and the range of total IgG response of 30 naturally infected human sera against different antigens.

Antigen source	Mean of OD values	Std. deviation	Std. error	95% confidence		Minimum	Maximum
				interval for mean
				Lower bound	Upper bound
Human	.5990	.52304	.04299	.5140	.6839	.12	1.99
Sheep	.3402	.19857	.01860	.3033	.3770	.03	.87
Mice	.3489	.31243	.04033	.2682	.4296	.07	.99
Ag B	.9268	.40625	.05745	.8113	1.0422	.26	1.68
Cattle	.3175	.22946	.02762	.2624	.3726	.03	.94
Total	.4912	.42426	.02020	.4515	.5309	.03	1.99