Table 6.

Correlation of HIF‐1 α and PIGF in Serum Samples of Preeclamptic Group

Protein	No. of cases	HIF‐1 α	PIGF
HIF‐1α	80	1	r = −0.220* P = 0.05
PIGF	80	r = −0.220* P = 0.05	1

Pearson correlation test (two‐tailed); r, correlation coefficient.

*Correlation is highly significant at 0.01 level.