Table-II.

Comparison of VEGF level among the PIH, Pregnancy and control group ($\overline{X}$±s).

Group	Case(n)	VEGF(ng/L)
Normal	30	12.98±3.99
pregnancy	30	149.39±27.15*
Early	10	145.04±23.69
Mid-term	10	183.84±49.02
Late	10	118.37±34.29
PIH	30	62.25±24.33＃
Mild	10	87.26±11.24
Moderate	10	57.64±11.74
Severe	10	35.44±9.37△

P < 0.001 verse normal group;

^＃ P < 0.01 verse late Pregnancy in the Pregnancy group; P < 0.05

^△ moderate PIH group.