Table 1 Baseline features of the study participants.
From: Identification and validation of biomarkers related to ferroptosis in idiopathic pulmonary fibrosis
 | Healthy controls (n = 60) | IPF (n = 95) | Statistics | P-value |
---|---|---|---|---|
Male, n (%) | 29 (48.33) | 46 (48.40) | χ2 = 0.000 | 0.992 |
Age (years) | 69.72 ± 8.563 | 69.07 ± 7.669 | t = 0.486 | 0.628 |
BMI (kg/m2) | 22.92 (22.12, 23.41) | 22.59 (20.24, 23.50) | z = 1.699 | 0.089 |
Smoking status | ||||
 Never smokers, n (%) | 48 (80.0) | 65 (68.4) | χ2 = 2.496 | 0.114 |
 Ex-smokers, n (%) | 6 (10.0) | 17 (17.9) | χ2 = 1.814 | 0.178 |
 Current mokers, n (%) | 6 (10.0) | 13 (13.7) | χ2 = 0.464 | 0.496 |
WBC (*10^9/L) | 7.04 ± 2.13 | 7.30 ± 2.37 | t = 0.680 | 0.497 |
CRP (mg/dL) | 0.48 (0.35, 0.59) | 0.43 (0.34, 0.54) | z = 1.566 | 0.117 |
PCT (ng/mL) | 0.20 (0.11, 0.24) | 0.17 (0.09, 0.24) | z = 0.636 | 0.525 |
ATM (pg/mL) | 3012.62 (2226.87, 3568.81) | 1182.88 (820.56, 1864.19) | z = 8.005 | < 0.0001 |
FVC (% of predicted) | N/A | 72.84 ± 9.49 |  |  |
DLCO (% of predicted) | N/A | 49.13 ± 8.88 |  |  |
FEV1 (% of predicted) | NA | 70.38 ± 10.71 |  |  |