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Table 3 Results of the randomisation procedure.

From: UVB phototherapy in an outpatient setting or at home: a pragmatic randomised single-blind trial designed to settle the discussion. The PLUTO study

   Number of patients  
Factor Level Hospital Home Total
Hospital UMC Utrecht 24 25 49
  Hilversum Hospital 14 15 29
  Academic Hospital Maastricht 9 9 18
  Diakonessen Hospital Utrecht 9 8 17
  Meander Hospital Amersfoort 7 8 15
  Groene Hart Hospital Gouda 6 5 11
  AMC Amsterdam 5 5 10
  Erasmus MC Rotterdam 5 4 9
  VUmc Amsterdam 4 5 9
  Gelre Hospital Apeldoorn 5 3 8
  Diakonessen Hospital Zeist 3 4 7
  Reinier de Graaf Hospital Delft/Voorburg 4 3 7
  AntoniusMesosGroup Hospitals Nieuwegein/Utrecht 2 2 4
  Lucas Andreas Hospital Amsterdam 1 2 3
Previous UV phototherapy Yes 50 50 100
  No 48 48 96
  1. Stratified randomisation, in particular the minimisation method described by Pocock [19] was used, which took into account (1) the recruiting hospital, and (2) possible previous experience of the patient with UV therapy. This table shows the results of the treatment assignment by the two factors for 196 patients.