Hepatitis B

1.

Hepatitis В

2.

Diagnosis of Hepatitis B
New test
The presence of hepatitis B
according to the standard of
comparison (immunosorbent assay
(ISA)
all in all
yes
no
The positive (+)
112
0
112
The negative (−)
5
211
216
All in all
117
211
328
Is suitable the new test for the diagnosis of hepatitis B? What are the
sensitivity and specificity of this diagnostic method?
Which is better diagnosed: the presence or absence of hepatitis B?