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Table 2 Assessment of psychometric properties of the MSTS and the TESS

From: Functional evaluation for patients with lower extremity sarcoma: application of the Chinese version of Musculoskeletal Tumor Society scoring system

  Minimum Maximum Mean SD Percent floor Percent ceiling ICC 95% CI
Test
 MSTS 6 30 21.5 7.1 0 7.14% 0.90a 0.86–0.93a
 TESS 32 100 76.4 14.3 0 6.12%   
Retest
 MSTS 6 30 21.8 6.8 0 7.14% 0.91b 0.85–0.96b
 TESS 33 100 77.3 15.2 0 6.12% 0.88b 0.83–0.93b
  1. MSTS indicates Musculoskeletal Tumor Society; TESS indicates Toronto Extremity Salvage Score; SD indicates standard deviation; ICC indicates intraclass correlation coefficient; CI indicates confidential interval
  2. aICC for the inter-observer reliability; bICC for test-retest reliability