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Table 1 Intra-individual classification and reliability of each VES-13

From: Vulnerability in elderly patients with gastrointestinal cancer – translation, cultural adaptation and validation of the European Portuguese version of the Vulnerable Elders Survey (VES-13)

VES-13 question VAS for comprehension Test-retest reliability
median [interquartile range] Reliability coefficients (p)
Item 1 8.0 [8–9] 1.000 (<0.001)
Item 2 8.0 [8–9] 0.736 (<0.001)
Item 3a 8.0 [8–9.25] 0.771 (<0.001)
Item 3b 8.0 [8–9.25] 0.612 (<0.001)
Item 3c 8.0 [8–9.25] 0.906 (<0.001)
Item 3d 8.0 [8–9.25] 0.792 (<0.001)
Item 3e 8.5 [8–9.25] 0.938 (<0.001)
Item 3f 8.5 [8–9.25] 0.823 (<0.001)
Item 4a 8.5 [8–9.25] 0.911 (<0.001)
Item 4b 8.5 [8–9.25] 1.000 (<0.001)
Item 4c 8.5 [8–9.25] 0.831 (<0.001)
Item 4d 8.5 [8–9.25] 1.000 (<0.001)
Item 4e 8.5 [8–9.25] 1.000 (<0.001)
VES-13 Total Score   - 0.924 (<0.001)
  1. VES-13 – Vulnerable Elders Survey; VAS – Visual Analogue Scale; p – significance level
  2. Reliability coefficients – Kappa statistic measuring agreement between test and retest individual items and Pearson’s correlation coefficient measuring reliability between test and retest VES-13 total scale scores