Supplementary figures

Associations between short-term CO exposure and hospitalization outcomes among kidney transplant recipients with respiratory tract infections.(A, D) Lag–response relationships at selected CO concentrations (0.4, 0.8, 1.6, 2.0, 2.4 mg/m³).(A) shows changes in hospitalization cost (CNY) by lag day, and (D) presents the relative risk (RR) of hospital stay duration across lag days.(B, E) Cumulative effects over lag days 0–7.(B) illustrates cumulative changes in hospitalization cost at varying CO concentrations, and (E) shows the corresponding cumulative RR of hospital stay.(C, F) Contour plots demonstrating the joint effects of CO concentration and lag structure.(C) visualizes changes in hospitalization cost across lag days and concentrations, and (F) displays the relative risk surface for hospital stay. Supplementary Figure S2.

Associations between short-term NO₂ exposure and hospitalization outcomes among kidney transplant recipients with respiratory tract infections.(A, D) Lag–response relationships at selected NO₂ concentrations (20, 30, 40, 50, 60, 70, 80 µg/m³).(A) shows changes in hospitalization cost (CNY) by lag day, and (D) presents the relative risk (RR) of hospital stay duration across lag days.(B, E) Cumulative effects over lag days 0–7.(B) illustrates cumulative changes in hospitalization cost at varying NO₂ concentrations, and (E) shows the corresponding cumulative RR of hospital stay.(C, F) Contour plots demonstrating the joint effects of NO₂ concentration and lag structure.(C) visualizes changes in hospitalization cost across lag days and concentrations, and (F) displays the relative risk surface for hospital stay. Supplementary Figure S3.Associations between short-term O₃ exposure and hospitalization outcomes among kidney transplant recipients with respiratory tract infections.(A, D) Lag–response relationships at selected O₃ concentrations (50, 100, 150, 200, 250 µg/m³).(A) shows changes in hospitalization cost (CNY) by lag day, and (D) presents the relative risk (RR) of hospital stay duration across lag days.(B, E) Cumulative effects over lag days 0–7.(B) illustrates cumulative changes in hospitalization cost at varying O₃ concentrations, and (E) shows the corresponding cumulative RR of hospital stay.(C, F) Contour plots demonstrating the joint effects of O₃ concentration and lag structure.(C) visualizes changes in hospitalization cost across lag days and concentrations, and (F) displays the relative risk surface for hospital stay. Supplementary Figure S4.