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Table 1 Internal consistency and test–retest reliability of QLICP-CR

From: Validation of Quality of Life Instruments for Cancer Patients – Colorectal Cancer (QLICP-CR) in patients with colorectal cancer in Northeast China

Domain Internal consistency (α)(n = 152) Test–retest reliability (n = 150)
Pearson correlation coefficients (r) ICC (95% CI)
Physical domain (PHD) 0.78 0.88 0.88 (0.84–0.91)
Psychological domain (PSD) 0.93 0.91 0.90 (0.86–0.92)
Social domain (SOD) 0.62 0.85 0.85 (0.80–0.89)
Common symptoms and side-effects domain (SSD) 0.71 0.74 0.74 (0.66–0.81)
Specific domain (SPD) 0.87 0.82 0.80 (0.73–0.85)
Quality of Life Instruments for Cancer Patients – General Module (QLICP-GM) 0.91 0.90 0.90 (0.86–0.92)
Total scale (TOT) 0.87 0.86 (0.81–0.89)
  1. Abbreviations: ICC intra-class correlation, CI confidence interval