Table 3 . Descriptive statistics of the serum markers in the case and control groups .

Criteria	Group 1 (-QT) (mean±SD)	Group 2 (+QT) (mean±SD)	p
MSAFP	32.2±18.40	42.4±37.23	0.024
AFP (MoM)	1.1±0.52	1.5±1.35	0.013
uE3	2.2±2.32	1.7±1.98	0.115
uE3(MoM)	1.1±0.58	0.7±0.41	0.000
hCG level	30381.5±18079.06	45438.3±29801.64	0.000
hCG (MoM)	1±0.54	1.7±1.03	0.000
Inhibin-A level	265.6±135.09	389.8±216.39	0.000
Inhibin-A(MoM)	1.1±0.59	1.7±0.95	0.000