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Table 2 Reliability of hand assessment variables

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

  Inter-observer reliability (n= 55) Intra-observer reliability (n= 54)
  Prev % Agr Agr % K Agr Agr % K
Dupuytren's - L (present/absent) 17.3 8/44 94.5 0.81 6/45 94.4 0.77
Hand function: Grip Ability Test (GAT) (score grouped into quintiles ) - (7/4/6/5/10) 58.2 0.62 (6/4/3/4/9) 48.1 0.54
Phalen's test - R (pos/neg/uta) 29.1 11/33/1 81.8 0.58 12/30/1 79.6 0.56
Finklestein's test - L (pos/neg/uta) 9.1 3/48/0 92.7 0.56 3/45/0 88.9 0.45
Grind test - R (pos/neg/uta) 18.2 6/41/0 85.5 0.51 5/42/0 87.0 0.54
Phalen's test - L (pos/neg/uta)* 18.2 5/39/1 81.8 0.49 6/34/1 75.9 0.41
Dupuytren's - R (present/absent)* 20.0 6/38 81.5 0.46 6/44 92.6 0.91
Finklestein's test - R (pos/neg/uta) 10.9 3/45/0 87.3 0.40 1/46/0 87.0 0.25
Grind test - L (pos/neg/uta) 16.4 4/41/0 81.8 0.34 8/38/0 85.2 0.57
Skin condition (normal/discolouration) 79.1 37/5 76.4 0.31 46/1 87.0 0.17
Global impression of upper limb (normal/abnormal) 81.9 37/2 71.0 0.14 52/2 100.0 1.00
  1. Abbreviations: pos = positive test; neg = negative test; uta = unable to assess; R = right; L = left; Prev % = prevalence percentage; Agr = number of cases agreed; Agr % = observed percentage agreement; *missing data for inter-observer reliability; the distribution of the GAT scores was highly skewed and the scores were therefore converted into quintiles and analysed using quadratic weighted Kappa. Prevalence % based on mean positive findings of both observers at 1st appointment.