Concept: Length of Time Between First Nephrologist Visit and Dialysis Start

Introduction

This concept describes the method used to determine the length of time between a patient's first Nephrologist visit and when their dialysis starts.

Technical Definition of Time Between First Nephrologist Visit and Dialysis Start

The technical definition for determining the length of time between a patient's first Nephrologist visit and when their dialysis starts, as defined in Chartier et al. (2015) is as follows:


Age Groups:

• Children: 0-17 years old
  
• Adults: 18 years and older

Data Sources:

• Manitoba Renal Program (MRP) data; and the
  
• Medical Services (Physician Claims) data


• Code Values and Conditions: - defined as the number of days between the first contact of Manitoba residents with a nephrologist (MD Bloc 016) and the dialysis start date as recorded in the Manitoba Renal Program (MRP) data.
  
  For more details on how this methodology is applied, see:
  
  • the Nephrologist Visits glossary term; and
    
  • the dialysis treatment start section of the Dialysis Treatment Start and Dialysis Treatment End concept.