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Table 2 Statistics of gene induction under various conditions

From: Hypoxia-activated genes from early placenta are elevated in Preeclampsia, but not in Intra-Uterine Growth Retardation

Category

  

Normoxia (plates 1–9)

Hypoxia (plates 10–24)

Chi2

Observations

A

Full-Term Placenta

Observed

12

26

  
  

Expected

14,25

23,75

0,451

38

B

Early+Full-Term Placenta

Observed

9

31

  
  

Expected

15

25

0,050

40

C

PE+RCIU

Observed

9

37

  
  

Expected

17,25

28,75

0,012

46

D

PE+RCIU and isolated PE

Observed

10

10

  
  

Expected

7,5

12,5

0,248

20

E

RCIU

Observed

6

9

  
  

Expected

5,625

9,375

0,841

15

F

Isolated PE

Observed

2

35

  
  

Expected

13,875

23,125

0,000

37

G

Early Term Placenta Hypoxia 48 h

Observed

45

36

  
  

Expected

30,375

50,625

0,001

81

  1. Each category (A-G) corresponds to a cluster of genes observed in figure 3 (a-b). The expected values were calculated from the proportion of clones in each subtracted library. Significant Chi2 values are represented in bold characters