Table 1. NIPT-UltraPCR Result Summary.

%trisomy 21	metric	Chr13 counts	Chr21 counts	Chr18 counts	Chr21/13 ratio	Chr21/18 ratio	Chr13/18 ratio
0	mean	272,589	284,675	270,602	1.044	1.052	1.007
	(%CV)	(2.798%)	(2.644%)	(2.696%)	(0.343%)	(0.377%)	(0.319%)
4	mean	276,641	293,851	273,524	1.062	1.074	1.011
	(%CV)	(3.070%)	(3.210%)	(3.089%)	(0.393%)	(0.378%)	(0.397%)
6	mean	262,783	281,465	259,506	1.071	1.085	1.013
	(%CV)	(3.630%)	(3.811%)	(3.777%)	(0.402%)	(0.532%)	(0.647%)
10	mean	266,260	289,984	263,157	1.089	1.102	1.012
	(%CV)	(2.591%)	(2.808%)	(2.692%)	(0.456%)	(0.403%)	(0.359%)