Table 3.

Selection of the quantification method.

Gene	Study group	Endogenous gene	ΔCt	Slope absolute value
VEGF-A	Controls	HPRT1	2.69	0.3067
		18S ribosomal	21.45	0.1466
		GAPDH	4.89	0.5065
	Severe PE	HPRT1	2.79	0.1844
		18S ribosomal	21.14	0.3733
		GAPDH	5.14	0.4754
TGF-β1	Controls	HPRT1	5.89	0.2322
		18S ribosomal	12.93	0.1184
		GAPDH	3.75	0.3781
	Severe PE	HPRT1	6.02	0.2412
		18S ribosomal	12.38	0.3170
		GAPDH	3.79	0.4091
HMOX-1	Controls	HPRT1	1.30	0.2151
		18S ribosomal	17.52	0.1013
		GAPDH	0.84	0.3610
	Severe PE	HPRT1	1.33	0.2426
		18S ribosomal	17.01	0.3184
		GAPDH	0.90	0.4105