BioMed Research International / 2019 / Article / Tab 2

Research Article

Comparison of Chromium and Iron Distribution in Serum and Urine among Healthy People and Prediabetes and Diabetes Patients

Table 2

Correlation between Cr, Fe, and other indicators in serum and urine within each group.

CON 
(n=50)
PIFG 
(n=12)
PIGT 
(n=15)
PT1D 
(n=25)
PT2D 
CON 
(n=29)
PDN 
(n=24)
PDR 
(n=34)
PDPN 
(n=50)
P

Glu (mmol/L)r1-0.1700.239-0.2200.4910.0650.8190.1370.515-0.0610.754-0.0230.9140.0300.8660.1150.427
r2-0.482<0.001-0.0040.991-0.0790.780-0.3890.055-0.2620.170-0.2790.186-0.2070.241-0.1590.269
r3-0.0630.6630.0680.8340.3870.1540.3320.1050.2310.228-0.0810.706-0.1790.3100.1390.335
r4-0.1090.453-0.0110.9740.3350.222-0.1710.4130.0030.986-0.1550.468-0.0860.629-0.0010.994
HbA1c (%)r1-0.2330.1040.0950.7680.2650.3400.0930.6580.2580.1770.1220.5700.0980.5800.0950.511
r2-0.4090.003-0.2120.5070.0320.9090.1390.507-0.1000.6060.1040.629-0.0550.7590.1750.224
r3-0.0600.6810.0500.8770.5180.0480.2540.2210.0910.6380.0430.8430.0470.7910.1800.211
r4-0.0890.539-0.0070.9830.4830.0680.2890.1610.1380.4760.2220.298-0.1280.4690.1100.448
Cr (mg/L)r20.4190.002-0.1540.6340.4640.0810.2830.1700.5570.0020.774<0.0010.4700.0060.500<0.001
r30.0960.5050.1210.7070.2160.4380.3900.0540.0220.9100.2280.2840.1430.4190.1490.302
r40.3660.009-0.6550.0210.0820.771-0.1690.421-0.0370.849-0.1570.4630.1120.528-0.1060.465
UCr (mg/L)r2-0.1160.421-0.4090.186-0.0410.8840.0960.647-0.1530.4280.2170.3080.0680.7040.1270.379
r40.665<0.001-0.0320.9210.6230.0130.1860.3750.0100.9570.2980.1570.3740.0300.2550.074
Fe (mg/L)r4-0.0200.892-0.1020.753-0.2430.3830.1740.4060.0970.616-0.0630.7710.0210.9050.0920.525

r1 means the correlation coefficient between serum Cr and other indicators; r2 is the correlation coefficient between serum Fe and other indicators; r3 is the correlation coefficient between urinary Cr and other indicators; r4 is the correlation coefficient between urinary Fe and other indicators.P<0.05 means significant difference.

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