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Table 3 Test-retest reliability of the Thai version of PedsQL™ 3.0 NMM

From: Reliability and validity of the Thai pediatric quality of life inventory™ 3.0 neuromuscular module

Scale (# items)

Intraclass correlation coefficient, ICC

(95% CI)

Child self-report

 Total [25]

0.69 (0.54, 0.80)

 About My Neuromuscular Disease [17]

0.76 (0.63, 0.85)

 Communication [3]

0.35 (0.10, 0.56)

 About Our Family Resources [5]

0.40 (0.08, 0.63)

Parent proxy-report

 Total [25]

0.82 (0.72, 0.89)

 About My Child’s Neuromuscular Disease [17]

0.84 (0.74, 0.90)

 Communication [3]

0.63 (0.48, 0.75)

 About Our Family Resources [5]

0.74 (0.62, 0.83)

  1. ICC intraclass correlation, ICCs are designated as ≤0.40 poor to fair agreement, 0.41–0.60 moderate agreement, 0.61–0.80 good agreement, and 0.81–1.00 excellent agreement