TABLE 4

Comparison of baseline characteristics by center

VariableMinneapolisMontrealParisP
Age at biopsy (years)16.3 ± 7.2 (85)17.3 ± 5.7 (117)16.4 ± 3.3 (41)0.475
Age at diabetes onset (years)8.6 ± 5.8 (85)9.0 ± 4.4 (117)8.6 ± 3.3 (41)0.846
Diabetes duration (years)7.7 ± 4.2 (85)8.3 ± 4.4 (117)7.8 ± 3.7 (41)0.560
HbA1c (%)8.7 ± 1.3 (83)8.6 ± 1.7 (117)8.9 ± 1.3 (41)0.487
AER (μg/min)7.9 ± 7.1 (72)7.0 ± 13.1 (116)9.0 ± 17.7 (40)0.693
SBP (mmHg)112.0 ± 11.6 (84)117.1 ± 9.3 (117)106.3 ± 10.9 (41)0.0001
DBP (mmHg)63.4 ± 9.8 (84)63.5 ± 8.7 (117)59.9 ± 6.6 (41)0.06
GFR (ml · min−1 · 1.73 m−2)143.1 ± 26.6 (81)149.1 ± 25.6 (115)119.6 ± 22.9 (41)0.0001
RPF (ml · min−1 · 1.73 m−2)622 ± 148.5 (67)708 ± 194.8 (89)619 ± 141.4 (41)0.0021
FF0.24 ± 0.06 (67)0.22 ± 0.07 (89)0.20 ± 0.04 (41)0.0031
Kidney length (cm/1.73 m2)11.9 ± 1.5 (90)11.2 ± 1.0 (107)12.2 ± 1.2 (7)0.001
  • Data are means±SD (n).