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Table 3 Characteristics of the subjects with stop codon mutations and variation of clinical and functional parameters after treatment with gentamicin.

From: In vitroprediction of stop-codon suppression by intravenous gentamicin in patients with cystic fibrosis: a pilot study

Genotype

Sputum colonisation

Age (year)

Δscore

FEV1var

FVCvar

FEF25–75var

Sweat Cl- at D0

Sweat Cl- at D15

ΔCl-free-iso at D0

ΔCl-free-iso at D15

ICC

Y122X+/+

SA

11

-4

24

23

31

126

91

0

0

-

Y122X+/+

PA*

16

-2

-12

-6

-15

79

37

NP

0

-

Y122X+/+

PA*,SA

18

-4

2

-2

-8

109

115

0

NP

+

Y122X+/+

PP*

15

-5

25

19

86

90

91

-0.5

0

+

Y122X+/+

PP*

13

-15

18

8

96

103

46

-1.6

-3.8

+

Y122X+/+

SA

22

-13

3

0

7

108

100

-3.7

-17.6

+

Y122X+/+

BC*

21

-22

18

24

150

136

135

0

-4

+

Y122X+/+

PA*

12

-12

3

-9

NP

119

86

0

-8.2

NP

Y122X+/F508del

SA*

10.5

-3

21

21

45

114

65

-1

-3.3

+

R1162X +/+

SA

14

-2

0.4

0

4

116

131

0

0

-

F508del/W1282X

PA

13

-2

15

14

27

103

100

0

-1.3

NP

G542X +/+

SA

11

-4

21

17

20

113

105

0

0

NP

R553X/CFTRdele17b

PA*

10

0

NP

NP

NP

115

NP

-4

NP

NP

  1. PA: Pseudomonas aeruginosa; SA: Staphylococcus aureus; PP: Pseudomonas putida; BC: Burkholderia cepacia; * bacteria resistant to gentamicin. FEV1var refers to the ratio (FEV1D15~FEV1D0)/FEV1D0; FVCvar refers to the ratio (FVCD15~FVCD0)/FVCD0. FEF25–75var refers to the ratio (FEF25–75(D15)~FEF25–75(D0))/FEF25–75(D0). Δscore refers to value of CFCSD15-CFCSD0. ΔCl-free-iso refers to ΔCl-free-isoproterenol. ICC: immunocytochemistry. NP: not performed.