Tables
- TABLE 1
Sociodemographic and exacerbation characteristics by COPD groups
Variables BE-COPD TE-COPD Total p-value Patients n 75 135 210 Age, years 76±11 73±9 74±10 0.004 Female 67 (89) 48 (36) 115 (55) <0.001 Rural residence 29 (39) 8 (6) 37 (18) <0.001 Low socioeconomic status 67 (89) 83 (62) 150 (71) <0.001 Low self-reported adherence to preventive measures 28 (38) 41 (31) 69 (33) 0.272 Strict indoor isolation 36 (30) 28 (45) 64 (35) 0.035 FEV1 % of predicted 70±22 57±22 62±23 <0.001 2019–2020 patients with exacerbations 19 (25) 37 (27) 56 (27) 0.745 2020–2021 patients with exacerbations 13 (17) 23 (17) 36 (17) 0.956 Data presented as mean±sd or n (%), unless otherwise stated. BE-COPD: COPD due to exposure to biomass smoke; TE-COPD: COPD due to exposure to tobacco smoke; FEV1: forced expiratory volume in the first second.
Vol 8 Issue 4
Table of Contents
Air quality in Mexico City during the COVID-19 lockdown possibly decreased COPD exacerbations
