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. 2021 Jun 1;11:11419. doi: 10.1038/s41598-021-91000-0

Table 6.

Linear regression model.

Variables Unadjusted model Adjusted model*
β (95% CI) P β (95% CI) P
NO2
LAG 1 − 0.01 (− 0.03–0.03) 0.97 − 0.01 (− 0.04–0.03) 0.76
LAG 2 − 0.02 (− 0.06–0.01) 0.18 − 0.03 (− 0.06–0.00) 0.08
LAG 3 0.02 (− 0.08–0.12) 0.72 − 0.00 (− 0.03–0.03) 0.97
LAG 4 0.03 (− 0.06–0.13) 0.52 0.01 (− 0.03–0.04) 0.68
LAG 5 − 0.01 (− 0.04–0.03) 0.67 − 0.01 (− 0.04–0.02) 0.61
LAG 6 − 0.03 (− 0.06–0.00) 0.07 − 0.03 (− 0.06–0.0) 0.06
Weekly − 0.02 (− 0.16–0.16) 0.98 0.04 (− 0.91–0.17) 0.54
SO2
LAG 1 − 0.05 (− 0.08 to − 0.02) 0.01 − 0.24 (− 0.4 to − 0.09) 0.01
LAG 2 − 0.02 (− 0.06–0.01) 0.19 − 0.02 (− 0.06–0.01) 0.14
LAG 3 0.01 (− 0.02–0.04) 0.56 0.01 (− 0.02–0.04) 0.52
LAG 4 − 0.03 (− 0.23–0.17) 0.77 − 0.01 (− 0.03–0.03) 0.86
LAG 5 − 0.09 (− 0.28–0.10) 0.35 − 0.02 (− 0.05–0.02) 0.36
LAG 6 0.00 (− 0.03–0.03) 0.95 − 0.00 (− 0.03–0.03) 0.93
Weekly − 0.13 (− 0.40–0.16) 0.35 0.09 (− 0.13–0.31) 0.41
PM2.5
LAG 1 − 0.03 (− 0.06–0.01) 0.14 − 0.03 (− 0.07–0.01) 0.07
LAG 2 − 0.02 (− 0.06–0.02) 0.35 − 0.03 (− 0.06–0.01) 0.16
LAG 3 − 0.01 (− 0.04–0.03) 0.74 − 0.01 (− 0.04–0.03) 0.75
LAG 4 − 0.04 (− 0.09–0.01) 0.13 − 0.03 (− 0.06–0.01) 0.17
LAG 5 − 0.04 (− 0.08 to − 0.01) 0.02 − 0.04 (− 0.08 to − 0.01) 0.02
LAG 6 − 0.05 (− 0.09 to − 0.01) 0.01 − 0.05 (− 0.09 to − 0.01) 0.01
Weekly − 0.03 (− 0.07–0.01) 0.07 − 0.63 (− 0.12 to − 0.01) 0.04
PM10
LAG 1 − 0.03 (− 0.06–0.01) 0.07 − 0.03 (− 0.07–0.01) 0.04
LAG 2 − 0.01 (− 0.03–0.03) 0.97 − 0.01 (− 0.05–0.03) 0.57
LAG 3 0.02 (− 0.01–0.06) 0.19 0.02 (− 0.01–0.06) 0.18
LAG 4 0.01 (− 0.03–0.03) 0.90 0.01 (− 0.03–0.04) 0.91
LAG 5 − 0.01 (− 0.05–0.02) 0.41 − 0.01 (− 0.04–0.02) 0.42
LAG 6 − 0.02 (− 0.06–0.01) 0.16 − 0.02 (− 0.05–0.01) 0.15
Weekly 0.03 (− 0.06–0.04) 0.75 0.21 (− 0.01–0.05) 0.14

Estimated associations of increase of air pollution and glomerular filtration rate.

*Model was adjusted for age, sex, clinical variables including obesity, atrial fibrillation, hyperlipidemia, diabetes mellitus and arterial hypertension. The lag-model for each day was estimated separately.

Abbreviations: CI, confidence interval; NO2, nitrogen dioxide; PM2.5, particulate matter with a diameter of 2.5 μm or less; PM10, particulate matter with a diameter of 10 μm or less; SO2, sulfur dioxide.