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Table 4 Quality control

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

Hospitals Number of controlled variables % minor discrepancies % major discrepancies
Besançon 297 3.70% (11) 0.34% (1)
Mâcon 562 2.31% (13) 0.36% (2)
Belfort-Montbéliard 444 3.15% (14) 0.45% (2)
Total 3 hospitals 1303 2.92% (38) 0.38% (5)
  1. Check of quality of data gathered by CRAs at follow-up visits