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Table 1 Characteristics, mean telephone scores (T) and mean patient-completed scores (P) of the telephone-first group, patient-completed-first group and cumulatively

From: An equivalence study: Are patient-completed and telephone interview equivalent modes of administration for the EuroQol survey?

  Telephone First Patient-Completed first Total P-value
Gender
 Female 20 (57%) 21 (43%) 49 0.15
 Male 10 (37%) 17 (63%) 27  
Age (Years)
 Mean 68 68 68 0.98
 Median 69 67 68  
Joint
 Knee 26 (53%) 23 (47%) 49 0.63
 Hip 12 (44%) 15 (56%) 27  
Side
 Left 20 (48%) 22 (52%) 42 0.70
 Right 15 (50%) 15 (50%) 30  
 Bilateral 3 (75%) 1 (25%) 4  
Follow-Up Interval
 Days
  Mean (SD) 7.6 (1.3) 8.2 (1.6) 7.9 (1.5) 0.08
  Median (IQR) 7 (2) 7 (3) 7 (1)  
 Mean EuroQol Scores
  MobilityT 2.91 2.99 2.96  
  MobilityP 2.89 3.45 3.17  
  Personal CareT 1.71 1.95 1.87  
  Personal CareP 1.80 2.35 2.08  
  Usual ActivitiesT 2.74 2.95 2.83  
  Usual ActivitiesP 2.74 3.17 2.97  
  Pain & DiscomfortT 3.17 3.30 3.25  
  Pain & DiscomfortP 3.14 3.74 3.46  
  Anxiety & DepressionT 1.57 1.69 1.67  
  Anxiety & DepressionP 1.91 2.05 1.99  
  VAS ScaleT 63.85 58.18 60.29  
  VAS ScaleP 59.94 60.94 60.34