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Table 3 Interrater reliability and test-retest reliability of the percentage frequency scores in the children with CP

From: Validity and reliability of the VOAA-DDD to assess spontaneous hand use with a video observation tool in children with spastic unilateral cerebral palsy

  Interrater reliability Test-retest reliability
  Group 1, n = 10 Group 2, n = 10 Group 1, n = 10 Group 2, n = 10
  Age 2.5-5 years Age 5-8 years Age 2.5-5 years Age 5-8 years
  ICC (95% CI) ICC (95% CI) ICC (95% CI) ICC (95% CI)
B-score1 0.99 (0.97-1.00) 1.00 (0.99-1.00) 0.97 (0.89-0.99) 0.99 (0.95-1.00)
A-score2 0.97 (0.90-0.99) 0.95 (0.86-0.99) 0.87 (0.42-0.97) 0.90 (0.58-0.98)
V-score3 0.97 (0.92-0.99) 0.99 (0.98-1.00) 0.88 (0.55-0.97) 0.98 (0.90-0.99)
  1. 1obtained from the muffin task (basic Grasps, Holds and Releases observations)
  2. 2 obtained from the beads task (advanced Grasps, Holds and Releases observations)
  3. 3 obtained from both tasks (Stabilizes, Reaches, Puts back on place, Shakes/pours, Pushes/pulls/shoves/rubs, Catches/carries, Manipulates, and advanced Grasps, Holds and Releases observations)