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Table 3 Pharmacological observations.

From: Genetic variation in the Catechol-O-Methyltransferase (COMT) gene and morphine requirements in cancer patients with pain

SNP

Genotype

Morphine dose mg/24 h median [range]

P value

Allele carriage

Morphine dose mg/24 h Median [range]

P value

Rs2075507

AA

90 [20–420]

0.220

A

80 [20–760]

0.90

 

AG

70 [20-480]

 

Not A

60 [10–660]

 
 

GG

60 [10–660]

 

G

70 [10–760]

0.09

    

Not G

90 [20–420]

 

Rs737866

AA

70 [10–660]

0.486

A

73 [10–760]

0.26

 

AG

80 [20–760]

 

Not A

90 [20–350]

 
 

GG

90 [20–350]

 

G

80 [20–760]

0.45

    

Not G

70 [10–660]

 

Rs7287550

CC

70 [20–760]

0.862

C

78 [10–760]

0.59

 

CT

80 [10–410]

 

Not C

120 [30–420]

 
 

TT

120 [30–420]

 

T

80 [10–420]

0.91

    

Not T

70 [20–760]

 

Rs5746849

GG

115 [20–420]

0.103

G

80 [20–420]

0.57

 

GA

80 [20–390]

 

Not G

65 [10–760]

 
 

AA

65 [10–760]

 

A

70 [10–760]

0.03c

    

Not A

115 [20–420]

 

Rs740603

AA

70 [10–760]

0.099

A

70 [10–760]

0.04c

 

AG

80 [20–390]

 

Not A

110 [20–420]

 
 

GG

110 [20–420]

 

G

80 [20–420]

0.92

    

Not G

70 [10–760]

 

Rs6269

AA

70 [20–660]

0.090

A

70 [10–660]

0.03c

 

AG

75 [10–480]

 

Not A

120 [20–760]

 
 

GG

120 [20–760]

 

G

80 [10–760]

0.32

    

Not G

70 [20–660]

 

Rs2239393

AA

70 [20–660]

0.093

A

70 [10–660]

0.03c

 

AG

73 [10–480]

 

Not A

120 [20–760]

 
 

GG

120 [20–760]

 

G

80 [10–760]

0.42

    

Not G

70 [20–660]

 

Rs4818

CC

60 [10–660]

0.042 a

C

70 [10–660]

0.04c

 

CG

80 [20–480]

 

Not C

120 [20–760]

 
 

GG

120 [20–760]

 

G

80 [20–760]

0.04c

    

Not G

60 [10–660]

 

Rs4680 (Val158Met)

GG

90 [20–760]

0.022 b

G

80 [10–760]

0.045c

 

GA

80 [10–480]

 

Not G

60 [20–660]

 
 

AA

60 [20–660]

 

A

70 [10–660]

0.07

    

Not A

90 [20–760]

 

Rs174699

CT

80 [20–480]

0.666

C

80 [20–480]

0.67

    

Not C

73 [10–760]

 
 

TT

73 [10–760]

 

T

80 [10–760]

-

    

Not T

-

 

Rs165728

CT

80 [20–480]

0.457

C

80 [20–480]

0.46

    

Not C

70 [10–760]

 
 

TT

70 [10–760]

 

T

80 [10–760]

-

    

Not T

-

 
  1. a Kruskal-Wallis test for 3 independent samples; b Jonckheere Tepstra test for 3 independent samples; c Mann-Whitney U test for 2 independent samples.
  2. Pharmacological observations for genotype groups and allele carriage.