Table 2.
Mean thresholds of PTA | Unadjusted | Adjusted with Age | ||||
---|---|---|---|---|---|---|
eGFR ≥60 | eGFR <60 | β (SE) | p-value | β (SE) | p-value | |
(n = 4245) | (n = 716) | |||||
Low-frequency | 13.5 ± 12.3 | 29.2 ± 18.7 | −0.101(0.006) | <0.001 | −0.032(0.008) | 0.047 |
Mid-frequency | 16.4 ± 16.1 | 38.1 ± 20.8 | −0.103(0.007) | <0.001 | −0.078(0.009) | 0.033 |
High frequency | 27.8 ± 21.3 | 53.9 ± 22.6 | −0.107(0.009) | <0.001 | −0.047(0.011) | 0.042 |
Total frequency | 14.9 ± 13.4 | 33.6 ± 18.9 | −0.152(0.006) | <0.001 | −0.050(0.008) | 0.021 |
Data expressed as mean ± SD, p < 0.05 was set as the significance level, and significant differences between groups are shown in bold
eGFR estimated glomerular filtration rate, low-frequency (500 and 1000 Hz), mid-frequency (2000 and 3000 Hz), and high-frequency (4000 and 6000 Hz) ranges. β unstandardized coefficient, SE standard error