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Table. 1 Demographics and clinical characteristics of patients with DC-related PF (n = 27)

From: Pulmonary fibrosis in dyskeratosis congenita: a case report with a PRISMA-compliant systematic review

 

Data

Age at PF (years)

32 (8–65)

Age at BMF (years)

20 (1–65)

Male

13/18 (72.2%)

Smoker

8/17 (47.1%)

BMF

20/24(83.3%)

 Mild

5 (25%)

 Moderate

3 (15%)

 Severe

12 (60%)

DC triad features*

 

 0–1

3/18(16.7%)

 2–3

15/18 (83.3%)

Family history of DC

8/16 (50%)

PFT

 

 FEV1, %pred

47 ± 15

 FVC, %pred

47 ± 20

 FEV1/FVC ratio§

93 ± 7

 TLC, %pred§

54 ± 14

 DLCO, %pred||

38 ± 14

  1. Data are presented as mean (range) or mean ± standard deviation or number/total number of patients with available data (%). PF: pulmonary fibrosis; BMF: bone marrow failure
  2. DC: dyskeratosis congenital; PFT: pulmonary function test; FEV1: forced expiratory volume in 1 s; FVC: forced vital capacity; TLC: total lung capacity; DLCO: diffusing capacity for carbon monoxide
  3. *DC triad features refer to oral leukoplakia, dysplastic nails and abnormal skin pigmentation
  4. FEV1 was available in 9 patients
  5. FVC was available in 11 patients
  6. §FEV1/FVC and TLC was available in 8 patients
  7. ||DLCO was available in 15 patients