Abstract S150

	Sensitivity	Specificity
VC <90%	1.00	0.44
VC<72%	0.87	0.88
Pimax <86%	1.00	0.48
Pimax <47%	0.80	0.88
Pemax <74%	1.00	0.36
Pemax <45%	0.73	0.80
SNIP <51%	1.00	0.52
SNIP <40%	0.80	0.92