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Table 4 Mean FEV 1 and FVC indexes across SNP genotypes

From: Genetic polymorphisms and asthma: findings from a case–control study in the Madeira island population

SNP genotypes

Lung function indexes

 

FEV1(mean +/-s.d.)

FVC (mean+/-s.d.)

n

98

98

IL13-c.144 G/A

GG

98.42 + -13.95

96.33 + -11.88

 

GA

93.44 + -16.58

92.15 + -14.79

 

AA

92.50 + -7.78

89.50 + -12.02

IL4-590 C/T

CC

99.92 + -14.28

96.87 + -11.28

 

CT

91.69 + -14.41

92.13 + -14.79

 

TT

90.00 + -12.00

87.67 + 16.04

F p-value

0.024

 

Dominant model CT/TT vs CC

0.006

 

IL4-RP2 253/183

253253

99.75 + -14.15

97.07 + -11.34

 

183253

90.59 + -14.52

90.74 + -14.89

 

183183

90.00 + -12.00

87.67 + -16.04

F p-value

0.015

 

Dominant model 183253/183183 vs 253253

0.004

 

ADRB2-c.16 A/G

AA

95.16 + -19.79

91.74 + -16.20

 

AG

95.91 + -12.83

94.91 + -11.95

 

GG

99.47 + -13.94

97.19 + -11.62

ADAM33-V4 C/G

GG

99.00 + -0 c

98.00 + -0c

 

CG

94.65 + -15.66

94.26 + -10.19

 

CC

97.61 + -14.53

95.24 + -13.61

ADAM33-S1c.710 G/A

GG

97.13 + -14.81

95.22 + -13.05

 

GA

94.29 + -13.96

92.71 + -8.92

 

AA

-

-

GSDML-236 C/T

CC

99.13 + -13.20

94.25 + -12.07

 

CT

96.30 + -17.48

94.13 + -14.34

 

TT

96.75 + -11.34

96.56 + -11.04

STAT6-21 C/T

CC

97.34 + -15.74

95.00 + -14.28

 

CT

96.49 + -13.52

94.24 + -11.73

 

TT

96.92 + -15.73

97.69 + -11.01

  1. c n = 1.
  2. A Shapiro-Wilkoxon test showed that FEV1 is normally distributed (p > 0.05) while FVC is not (p = 0.008). Thus, ANOVA was used for FEV1 analysis while a Kruskal-Wallis test was used for FVC.