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Table 1 Characteristics of patients at inclusion (in all 3 hospitals and for each participating hospital)

From: Pilot non dialysis chronic renal insufficiency study (P-ND-CRIS): a pilot study of an open prospective hospital-based French cohort

  Total 3 hospitals Besançon Mâcon Belfort-Montbéliard
Number of patients 1849 599 476 774
Sex ratio M:F 1.46 1.45 2.13 1.17
Mean age in years 71.6 70.2 73.1 71.7
SD +/− 12.9 +/− 13.4 +/−12.2 +/−12.9
[min – max] [19 – 99] [19 – 99] [25 – 96] [20–98]
Mean GFR (in ml/min/1.73 m2) 34.0 34.0 34.4 33.8
SD +/− 12.5 +/− 12.9 +/−12.4 +/−12.3
[min – max] [5 – 59.9] [5.6 – 59.9] [6.6 – 59.5] [5 – 58.8]
GFR (in ml/min/1.73 m2)
  < 15 133 - 7.2% 45 - 7.5% 31 – 6.5% 57 – 7.4%
  [15 – 30] 572 - 30.9% 193 - 32.2% 146 – 36.7% 233 -30.1%
  [30 – 45] 730 - 39.5% 220 - 36.7% 186 -39.1% 324 – 41.9%
  [45 – 60] 414 - 22.4% 141 - 23.5% 113 -23.7% 160 – 20.7%
Mean proteinuria (in g/24 h.) 1.0 1.1 1.1 1.0
SD +/− 2.1 +/− 2.3 +/− 1.8 +/− 1.9
[min – max] [0 – 26] [0 – 26] [0 – 13] [0 – 20.8]
Diabetes 736 - 39.8% 220 - 36.8% 178 – 37.4% 338 – 43.7%
Type I 40 - 2.2% 25 - 4.2% 6 – 1.3% 9 - 1.2%
Type II 696 - 37.6% 195 - 32.6% 172 – 36.1% 329 - 42.5%
Hypertension 1634 - 88.4% 493 - 82.3% 451 – 94.7% 690 - 89.1%