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Table 4 Reliability of hand assessment variables (numerical)

From: Hand assessment in older adults with musculoskeletal hand problems: a reliability study

  Inter-observer reliability (n= 55) ICC (95% CI) Intra-observer reliability (n= 54) ICC (95% CI)
Variable Right hand Left hand Right hand Left hand
Tripod pinch 0.94 (0.90, 0.97) 0.93 (0.87, 0.96) 0.93 (0.89, 0.96) 0.93 (0.89, 0.96)
Gross grip 0.91 (0.85, 0.95) 0.93 (0.85, 0.96) 0.96 (0.93, 0.98) 0.96 (0.91, 0.98)
Pulp pinch 0.89 (0.82, 0.94) 0.89 (0.81, 0.93) 0.92 (0.86, 0.95) 0.90 (0.84, 0.94)
Key pinch 0.88 (0.81, 0.93) 0.87 (0.79, 0.92) 0.88 (0.80, 0.93) 0.89 (0.81, 0.93)
Wrist flexion 0.72 (0.57, 0.83) 0.80 (0.69, 0.88) 0.75 (0.61, 0.85) 0.79 (0.67, 0.87)
Wrist extension 0.71 (0.43, 0.85) 0.70 (0.54, 0.81) 0.84 (0.73, 0.90) 0.80 (0.67, 0.88)
Thumb extension 0.46 (-0.09, 0.72) 0.56 (0.34, 0.72) 0.38 (0.14, 0.59) 0.33 (0.07, 0.55)
  1. Abbreviations: ICC = Intraclass correlation coefficient; 95% CI = 95 percent confidence interval.