High-resolution CT scoring system-based grading scale predicts the clinical outcomes in patients with idiopathic pulmonary fibrosis

Table 1 Baseline characteristics and physiology of patients

Patient, No	98
Sex, male/female, No	55/43
Age, year, mean ± SD	70.6 ± 8.0
BMI, kg/m², mean ± SD	23.1 ± 3.4
Smoker (current/former/never)	17/52/29
PaO₂, Torr, mean ± SD	80.9 ± 15.1
SpO₂,%, mean ± SD	96.0 ± 2.51
FVC, L, mean ± SD	2.14 ± 0.80
%FVC,%, mean ± SD	71.0 ± 20.8
FEV1.0%,%, mean ± SD	85.1 ± 9.15
DL_CO, ml/min/mmHg, mean ± SD	9.51 ± 2.83
%DL_CO,%, mean ± SD	60.0 ± 19.7
KL-6, U/ml, mean ± SD	1319 ± 996
SP-D, ng/ml, mean ± SD	302.2 ± 213.2
LDH, IU/L, mean ± SD	236.2 ± 43.7
MMRC score (0/1/2/3/4)	15/38/24/21/0
HRCT score, mean ± SD	134.2 ± 27.5
Receiving immunosuppressive therapy, No	27

BMI = body mass index, FVC = forced vital capacity, DL_CO = diffusing capacity for carbon monoxide, KL-6 = Krebs von den Lungen-6, SP-D = surfactant protein-D, MMRC = modified medical research council.

ISSN: 1465-993X