. 2022 May 27;48(4):e20210329. doi: 10.36416/1806-3756/e20210329

Table 1. Clinical and demographic characteristics of patients with systemic sclerosis (n = 23), as well as pulmonary function test results.^a .

Characteristic	Value
Female sex	18 (78.0)
Age, years	47.6 ± 12.5
Duration of disease, years	11.8 ± 8.7
Limited form	09 (39.1)
Diffuse form	14 (60.9)
Raynaud’s phenomenon^b	21 (91.0)
Digital ulcers^b	06 (28.0)
Digital pitting scar^b	05 (24.0)
Arthralgia/arthritis^b	14 (64.0)
Pyrosis, dysphagia, diarrhea^b	11 (48.0)
Telangiectasia^b	04 (16.0)
Cough and dyspnea^b	15 (65.0)
TLC, L	4.2 ± 0.7
TLC, % predicted	87.4 ± 14.5
FVC, % predicted	69.8 ± 17.6
FEV₁, L	2.0 ± 0.5
FEV₁, % predicted	69.5 ± 17.5
FEV₁/FVC	81.2 ± 5.4
DL_CO, %	64.7 ± 14.4
6MWD, meters	470.3 ± 72.5
SpO₂, %	88.7 ± 13.2

6MWD: six-minute walk distance. ^aValues expressed as n (%) or mean ± SD. ^bClinical variables accumulated during disease progression.

Table 1. Clinical and demographic characteristics of patients with systemic sclerosis (n = 23), as well as pulmonary function test results.a .