Abstract 165
TEST
POSITIVE
NEGATIVE
TOTAL
COST
Histology
1051 (26%)
4036 (74%)
5087
£162 784
13C Urea
100 (30%)
231 (70%)
331
£3641
Serology
3 (17%)
15 (83%)
18
£74
Grand Total
1154 (21%)
4282 (79%)
5436
£166 929