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Table 2 Factor V allele and genotype frequencies in individuals with systemic inflammatory response syndromeand sepsis compared to controls

From: Influence of Factor V Leiden on susceptibility to and outcome from critical illness: a genetic association study

  

Controls

N = 8147

All cases

N = 1249

ICU cohort

N = 237

G1 cohort

N = 315

G2 cohort

N = 534

IPD cohort

N = 163

Number and frequency of the FV alleles (%)

G

A

15648 (96.0)

646 (4.0)

2396 (95.9)

102 (4.1)

446 (94.1)

28 (5.9)

607 (96.3)

23 (3.7)

1025 (95.9)

43 (4.0)

318 (97.5)

8 (2.5)

Allele P value

 

--

Chi Sq = 0.0517; df = 1; P = 0.820

Chi.Sq = 4.0156; df = 1; P = 0.0451

Chi.Sq = 0.0856; df = 1; P = 0.7699

Chi.Sq = 0.004; df = 1; P = 0.984

Chi.Sq = 1.5506; df = 1; P = 0.2131

OR (95% CI)

 

--

1.03 (0.83 to 1.28)

1.52 (1.03 to 2.25)

0.97 (0.63 to 1.49)

0.92 (0.65 to 1.30)

0.63 (0.31 to 1.30)

Adj. OR (95% CI)*

 

--

1.02 (0.82 to 1.29)

1.66 (1.11 to 2.49)

0.97 (0.63 to 1.50)

0.92 (0.65 to 1.30)

0.63 (0.31 to 1.30)

Allelic P value**

 

--

0.871

0.014

0.897

0.626

0.216

Number and frequency of the FV genotype (%)

GG

7518 (92.3)

1150 (92.1)

209 (88.2)

292 (92.7)

494 (92.5)

155 (95.1)

 

GA

612 (7.5)

96 (7.7)

28 (11.8)

23 (7.3)

37 (6.9)

8 (4.9)

 

AA

17 (0.2)

3 (0.2)

0

0

3 (0.6)

0

Genotypic P value

 

--

0.952

0.04

0.71

0.3

0.23

OR (95% CI)***

Carrier vs. non-carrier

 

--

1.03 (0.83 to 1.28)

1.60 (1.07 to 2.39)

0.94 (0.61 to 1.45)

0.97 (0.69 to 1.35)

0.62 (0.30 to 1.26)

Adj. OR (95% CI)*

Carrier vs. non-carrier

 

--

1.03 (0.83 to 1.29)

1.62 (1.08 to 2.42)

0.95 (0.61 to 1.46)

0.97 (0.69 to 1.36)

0.62 (0.30 to 1.27)

Genotypic P value**

 

--

0.791

0.019

0.799

0.847

0.189

  1. *: Adjusted for age and sex. **: adjusted analysis. ***: logistic regression analysis of carriers (GA or AA) vs. non-carriers. CI, confidence interval; OR, Odds ratio. ICU: intensive care unit; G1: Gram negative sepsis cohort 1; G2: Gram negative sepsis cohort 2; IPD: invasive pneumococcal disease.