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. Author manuscript; available in PMC: 2018 Nov 1.
Published in final edited form as: J Ultrasound Med. 2017 Apr 13;36(11):2245–2256. doi: 10.1002/jum.14209

Table 2.

QUI parameters in 10 healthy controls and 25 subjects with chronic kidney disease

Parameters Healthy control Mild CKD * Moderate to severe CKD ANOVA F AVOVA p
Subjects (n) 10 11 14
PSV (cm/s) 35.03±5.45 33.46±5.08 25.13±5.33 12.61 0.000
EDV (cm/s) 14.02±2.58 12.8±1.66 8.17±1.89 28.19 0.000
Resistive index 0.60±0.04 0.64±0.05 0.66±0.05 4.72 0.016§
SWV (m/s) 2.75±0.62 2.86±0.32 2.94±0.54 0.41 0.67
Maximal p-intensity 66.7±9.02 78.82±9.8 99.18±31.05 7.32 0.002
Minimal p-intensity 14.22±3.24 22.55±5.64 29.21±15.78 5.75 0.007
Kidney length (cm) 10.86±0.73 11.27±0.91 10.99±0.99 0.58 0.56
Cortex thickness (mm) 16.16±1.21 14.31±1.89 12.58±1.88 12.68 0.000

Note

*

Pathologic mild and moderate to severe CKD groups are divided based on all scores in four kidney biopsy pathology parameters (glomerulosclerosis, arteriosclerosis, IF/TA, and interstitial inflammation). A pathologic mild CKD (Mild CKD) is for those with no grade 3 and < 2 of grade 2; and pathologic moderate to severe CKD is for those with at least 2 of grade 2 or 1 of grade 3. EDV, end diastolic velocity; p-intensity, pixel intensity; PSV, peak systolic velocity; SWV, shear wave velocity.

§

No significant difference in resistive index between healthy control and pathologic mild CKD, or between pathologic mild CKD and pathologic moderate to severe CKD.