TABLE 3.

Accuracy of anti-HBs in-house assay in terms of human anti-HBV immunoglobulin^a

Theoretical antibody concn (mIU/ml)	Measured antibody concn (mIU/ml)	% Recovery
3.3	3.4	100.4
6.3	5.6	90.4
6.3	5.8	93.4
10.4	9.8	94.2
10.4	9.4	90.3
20.8	19.9	95.5
20.8	18.9	90.8
41.5	42.0	101.2
41.5	41.7	100.4
82.6	81.1	98.2
82.6	80.1	96.9
163.9	129.9	79.3
163.9	150.0	91.5
476.2	446.0	93.7
909.1	840.6	92.5
2,000.0	1,967.9	98.4
3,333.3	3,304.4	99.1
5,000.0	5,048.4	101.0
10,000.0	9,885.2	98.9

^aThe geometric mean recovery was 94.9%. The 95% CI lower and upper limits were 92.2% and 97.6%, respectively.