02 January 2021 : Clinical Research
Regulatory Effect of PD1/PD-Ligand 1 (PD-L1) on Treg Cells in Patients with Idiopathic Pulmonary Fibrosis
Bing Wang1ABCE, Wenmei Bai2BEF, Hongxia Ma2BDE, Fengsen Li1ADG*DOI: 10.12659/MSM.927577
Med Sci Monit 2021; 27:e927577
Table 1 Patient demographics.
| Characteristics | IPF patients (n=23) | Healthy controls (n=25) | χ2/t | P value |
|---|---|---|---|---|
| Male sex, n (%) | 18 (0.78) | 19 (0.76) | χ=0.12 | 0.73 |
| Age, yr, mean±SD | 71.65±8.42 | 70.64±10.26 | t=0.37 | 0.71 |
| Smoking history, n (%) | 19 (0.83) | 11 (0.44) | χ=7.62 | 0.01 |
| Pack/year, mean±SD | 113.26±58.39 | 52.96±67.78 | t=3.44 | 0.01 |
| Antifibrotic therapy | 0 | 0 | 0 | 0 |