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Table 1 Baseline characteristics of both patients at time of diagnosis

From: Use of ivacaftor in late diagnosed cystic fibrosis monozygotic twins heterozygous for F508del and R117H-7T – a case report

 

Patient 1

Patient 2

Age (years)

55

55

Genotype

F508del and R117H-7T

BMI (kg/m2)

20

21.1

FEV1 (L)

0.78

2.13

FEV1 (%pred.)

27.3

74

FVC (L)

1.90

2.99

FVC (%pred.)

52.8

82

MMEF 75/25 (%pred.)

9

44

Sweat chloride (mmol/L)

52

44

Elastase (μg/g stool)

448

>  500

  1. Results are presented as absolute values
  2. Abbreviations: BMI body mass index, FEV1 forced expiratory volume in 1 s, FVC forced vital capacity, MMEF maximal mid-expiratory flow