Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2019 May 24;20:102. doi: 10.1186/s12931-019-1075-1

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

PMC Copyright notice

Fig. 1 — Graphical summery of health related quality of life questionnaires. The boxplots show the median values and IQR for (a): SF-36 physical component, (b): SF-36 mental component and (c): SGRQ total score. *: p ≤ 0.05; **: p ≤ 0.01; ***: p ≤ 0.001 Abbreviations: BPD: bronchopulmonary dysplasia; IQR: inter quartile range; SF-36: 36-item Short-Form Health Survey; SGRQ: Saint George’s Respiratory Questionnaire