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Table 8 Concordance of patients' rating of QOL and caregiver impression of patients' QOL

From: Factors associated with quality of life of outpatients with breast cancer and gynecologic cancers and their family caregivers: a controlled study

  Mean (SD) Statistics   
QOL domains Patient's rating QOL Carer rating pt's QOL Paired T DF P Kendall's tau P
Physical health 13.4 (1.7) 12.9 (1.7) 3.9 178 0.001 0.56 0.001
Psychological health 20.9 (2.9) 19.2 (1.6) 10.1 177 0.001 0.45 0.001
Independence 17.2 (2.5) 14.8 (1.5) 14.1 179 0.001 0.35 0.001
Social relations 12.1 (3.0) 12.2 (2.6) 0.5   ns 0.64 0.001
Environment 30.4 (5.4) 34.6 (5.6) 15.4 176 0.001 0.60 0.001
Spiritual 4.7 (0.5) 4.7 (0.5) 0.4   ns 0.12 ns
General facet on health & QOL 8.3 (1.9) 8.5 (1.4) 2.3 178 0.02 0.57 0.001
  1. Intra-class correlation coefficient (ICC) for responses to the two questionnaires = 0.96 (95% C.I. = 0.95 – 0.97)