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Table 4 Results from repeated measurements and correlations coefficients for test-retest reliability assessment

From: Validation of an instrument for measuring satisfaction of patients undergoing hemodialysis

Variablea Measurement 1 Measurement 2 Correlation coefficient
p50 iqr p50 iqr Lin’s Rho 95% CI
Total Score 205.39 32.76 208.00 31.25 0.85 0.77–0.92
D1 Score 58.00 8.00 59.00 8.00 0.78 0.68–0.88
D2 Score 25.00 3.00 25.00 4.00 0.78 0.67–0.88
D3 Score 19.00 4.50 17.17 5.00 0.69 0.54–0.83
D4 Score 28.00 6.00 29.00 5.00 0.81 0.72–0.90
D5 Score 20.00 2.00 20.00 2.00 0.42 0.22–0.62
D6 Score 15.00 2.00 15.00 2.00 0.76 0.65–0.87
D7 Score 15.00 0.00 15.00 1.00 0.52 0.35–0.71
D8 Score 15.00 1.00 15.00 1.00 0.71 0.58–0.85
D9 Score 15.00 2.00 15.00 2.00 0.71 0.58–0.85
  1. aRepresents domains D1 to D9