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Table 4 Subgroup analysis

From: Polymorphisms of VEGF and VEGF receptors are associated with the occurrence of ovarian hyperstimulation syndrome (OHSS)—a retrospective case–control study

Allele frequencies in accordance to hospital stay

  

OHSS-S (%)

OHSS-L (%)

P-value

Chi

OR (CI)

Mean (Range)

 

6.58 (2–9)

13.36 (10 – 28)

   

VEGFR1-519

C

107 (93.9%)

112 (94.9%)

   
 

T

7 (6.1%)

6 (5.1%)

0.78

0.73

1.22 (0.39 - 3.75)

VEGFR2-604

T

56 (49.1%)

51 (43.2%)

   
 

C

58 (51.9%)

67 (56.8%)

0.79

0.78

0.93 (0.55 - 1.57)

VEGFR2-1192

G

99 (86.8%)

102 (86.4%)

   
 

A

15 (13.2%)

16 (13.6%)

1.0

0.92

0.97 (0.45 - 2.1)

VEGFr2-1719

T

25 (21.9%)

30 (25.4%)

   
 

A

89 (78.1%)

88 (74.6%)

0.54

0.53

1.22 (0.66 - 2.23)

VEGF-405

G

42 (36.8%)

49 (41.5%)

   
 

A

72 (63.2%)

69 (58.5%)

0.50

0.47

1.22 (0.72 - 2.06)

  1. Legend: Allel frequencies and p values are given for association of SNPs and duration time in hospital. OHSS-S: Duration in hospital 1–9 days, OHSS-L: Duration in hospital 10–28 days.