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Table 3 Test-retest reliability of the T-FIHOA

From: Cross-cultural adaptation and validation of the Thai version of the functional index for hand osteoarthritis (FIHOA)

T-FIHOA test – T-FIHOA retest

Test

Retest

Spearman’s rhoa

ICC

95% CI

Item 1 – Item 1 retest

0.48 (±0.66)

0.46 (±0.61)

0.97

0.97

−0.02 – 0.05

Item 2 – Item 2 retest

0.64 (±0.69)

0.59 (±0.67)

0.92

0.96

0.00–0.10

Item 3 – Item 3 retest

0.62 (±0.73)

0.55 (±0.65)

0.95

0.96

0.02–0.12

Item 4 – Item 4 retest

0.71 (±0.80)

0.64 (±0.72)

0.97

0.97

0.02–0.12

Item 5 – Item 5 retest

0.64 (±0.64)

0.54 (±0.62)

0.87

0.94

0.04–0.16

Item 6 – Item 6 retest

0.61 (±0.73)

0.57 (±0.71)

0.94

0.97

−0.01 – 0.09

Item 7 – Item 7 retest

0.75 (±0.74)

0.69 (±0.69)

0.95

0.97

0.01–0.11

Item 8 – Item 8 retest

0.40 (±0.60)

0.39 (±0.60)

0.94

0.97

−0.02 – 0.04

Item 9 – Item 9 retest

0.86 (±0.80)

0.73 (±0.70)

0.91

0.94

0.07–0.21

Item 10 – Item 10 retest

0.28 (±0.55)

0.27 (±0.53)

0.99

0.99

−0.01 – 0.03

T-FIHOA total score

5.97 (±5.52)

5.41 (±5.23)

0.99

0.99

0.43–0.69

  1. T-FIHOA The Thailand version of the Functional Index of Hand Osteoarthritis, ICC Intra-class correlation coefficient, CI Confidence interval. Value are given as mean ± standard deviation
  2. aSpearman’s rho indicates Spearman’s correlation coefficient