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Table 4 Internal consistency of the FIHOA-AR

From: Cross-cultural adaptation and validation of the Arabic version of the functional index for hand osteoarthritis

ItemsMeanScale mean if item is deletedScale variance if item is deletedAdjusted item-total Spearman’s rhoItem-item correlation Spearman’s rhoCronbach’s alpha if item is deleted
Item 10.60 ± 0.81361,28737,6530,7350.437–0.6400,927
Item 21 ± 0.86057,32736,9780,8400.489–0.6920,926
Item 30.72 ± 0.86260,09937,1300,8180.541–0.6720,927
Item 40.44 ± 0.68462,97039,4310,6920.438–0.6680,931
Item 50.96 ± 1.15757,72334,9380,7610.437–0.6790,934
Item 60.49 ± 0.73062,47538,0280,7350.489–0.6790,925
Item 70.77 ± 0.94759,60435,5980,8010.460–0.7090,923
Item 80.57 ± 0.79261,58437,2350,7610.504–0.7090,924
Item 90.5 ± 0.74362,37638,2830,7250.438–0.6320,927
Item 100.68 ± 0.84860,49537,7480,7400.460–0.6640,929
  1. Values are given as mean ± standard deviation or range
  2. Spearman’s rho indicates Spearman’s correlation coefficient