Model	SE	SP	PPV	NPV	Total No signals
GL	50%	98%	63%	97%	11
PO	93%	82%	23%	99%	57
TS	50%	97%	50%	97%	14
CuSum	7%	99%	33%	95%	3
HL	64%	90%	27%	98%	33
NBC	43%	80%	11%	96%	56