Research Article

Correlates of Calcaneal Quantitative Ultrasound Parameters in Patients with Diabetes: The Study on the Assessment of Determinants of Muscle and Bone Strength Abnormalities in Diabetes

Table 3

Univariate correlations between QUS parameters and CVD risk factors and measures of complications (Spearman’s rho).

VariableBUASOSQUIeBMD
rrrr

Age−0.176<0.0001−0.261<0.0001−0.232<.00001−0.225<0.0001
Upper body strength0.287<0.00010.234<0.00010.261<0.00010.259<0.0001
Lower body strength0.288<0.00010.252<0.00010.271<0.00010.273<0.0001
Vo2max0.289<0.00010.242<0.00010.258<0.00010.262<0.0001
DM duration−0.1290.010−0.0700.162−0.1000.047−0.0920.068
HbA1c0.0550.2730.1040.0380.0870.0830.0890.075
Glucose0.0470.3490.0480.3410.0510.3100.0510.314
BMI0.194<0.00010.1290.0100.174<0.00010.174<0.0001
Fat mass−0.0870.084−0.0510.315−0.0510.307−0.0600.229
Fat-free mass0.386<0.00010.278<0.00010.328<0.00010.336<0.0001
Waist circumference0.248<0.00010.1600.0010.212<0.00010.217<0.0001
Triglycerides0.1620.0010.0940.0600.1330.0080.1370.006
Total cholesterol−0.0530.292−0.0190.713−0.0270.597−0.0280.578
HDL cholesterol−0.251<0.0001−0.182<0.0001−0.217<0.0001−0.217<0.0001
LDL cholesterol−0.0030.9470.0260.6000.0190.7040.0170.736
SBP−0.0550.274−0.0900.073−0.0720.151−0.0690.169
DBP0.0010.984−0.0130.7930.0010.9810.0020.975
Carotid IMT0.0300.548−0.0300.556−0.0050.915−0.0030.958
ABI0.0840.0930.1070.0340.0970.0520.0930.063
Uric acid0.1660.0010.1120.0260.1390.0050.1320.008
Plasma nitrogen−0.0560.263−0.0780.122−0.0850.088−0.0720.150
Serum creatinine0.0770.1260.0920.0690.0860.0880.0880.082
eGFR0.0700.1610.1030.0410.1020.0410.0960.057
ACR0.0950.0570.1150.0220.1070.0330.1160.021
PMN distal latency0.0690.1670.0620.2150.0630.2090.0750.134
PMN amplitude0.0720.1500.1070.0340.1010.0450.0910.068
PMN conduction velocity0.0150.7710.0210.6840.0320.5260.0190.710
SSN distal latency0.1200.0170.1090.0290.1130.0240.1130.025
SSN amplitude0.0960.0550.1330.0080.1330.0080.1200.016
SSN conduction velocity0.0340.4940.0530.2940.0600.2350.0460.358
VPT malleolus−0.0470.346−0.0730.144−0.0620.218−0.0500.318
VPT hallux−0.0450.365−0.0710.156−0.0610.221−0.0500.319
Resting HR−0.0800.109−0.0850.090−0.0890.075−0.0920.067
EI ratio0.0560.2730.0690.1750.0710.1650.0690.178
CT ratio0.0990.0520.1230.0150.1190.0190.1230.015
30 : 15ratio0.1140.0250.181<0.00010.1610.0010.1570.002
Systolic BP fall0.0310.546−0.0110.8220.0050.9140.0040.938
BUA0.850<0.00010.935<0.00010.930<0.0001
SOS0.850<0.00010.973<0.00010.973<0.0001
QUI0.935<0.00010.973<0.00010.995<0.0001
eBMD0.930<0.00010.973<0.00010.995<0.0001

QUS = quantitative ultrasound; CVD = cardiovascular disease; BUA = broadband ultrasound attenuation; SOS = speed of sound; QUI = quantitative ultrasound index; eBMD = estimated bone mineral density; DM = diabetes mellitus; VO2max = maximal oxygen consumption; HbA1c = hemoglobin A1c; BMI = body mass index; SBP = systolic blood pressure; DBP = diastolic blood pressure; IMT = intima-media thickness; ABI = ankle-brachial index; eGFR = estimated glomerular filtration rate; ACR = albumin : creatinine ratio; PMN peroneal motor nerve; SSN = sural sensory nerve; VPT = vibration perception threshold; HR = heart rate; EI = expiration : inspiration; CT = cough test.