Is it time to stop researching nurse to patient ratios?

Determining nurse to patient ratios in haemodialysis units has been debated in many forums. Ratios to ensure safe and quality care vary globally, nationally, statewide, servicewide, clinic-wide and from nurse to nurse. Given the research complexities, this editorial asks, “How do we go about exploring ratios?”, “What is the optimal ratio?” and “Is nurse to patient ratio research a worthy pursuit?”