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Table 3 Agreement scores of patient reported outcome measures

From: Interpreter proxy versus healthcare interpreter for administration of patient surveys following arthroplasty: a pilot study

 

kappa

ICC (95% CI)

CCC (95% CI)

MD

95% Limits of Agreement

Wilcoxon p-value

EQ-5D

 Mobility

0.81

0.82 (0.73-0.88)

0.81 (0.73 - 0.87)

-0.02

-0.93 to 0.88

0.66

 Personal care

0.66

0.66 (0.52-0.77)

0.66 (0.52 - 0.76)

0.02

-1.11 to 1.15

0.84

 Usual Activities

0.68

0.68 (0.54-0.78)

0.68 (0.54-0.77)

0.11

-0.99 to 1.2

0.09

 Pain/Discomfort

0.69

0.69 (0.56-0.79)

0.69 (0.56-0.79)

-0.02

-1.07 to 1.02

0.70

 Anxiety/Depression

0.57

0.57 (0.41-0.7)

0.57 (0.41-0.69)

0.06

-1.05 to 1.16

0.38

EQ-VAS

-

0.78 (0.68-0.85)

0.78 (0.68 - 0.85)

0.72

-22.7 to 24.1

0.79

Oxford scores

0.87

0.87 (0.8-0.91)

0.86 (0.8-0.91)

0.13

-6.46 to 6.72

0.79

Satisfaction

0.75

-

-

0.01

-

0.86

Success

0.70

-

-

-0.02

-

0.71

Re-admission

1.00

-

-

-

-

-

Re-operation

1.00

-

-

-

-

-

Complications

0.69

-

-

-

-

-

  1. Proxy: Interpreter proxy (family or carer)
  2. HC Int: Certified healthcare interpreter
  3. Kappa: Quadratic Weighted Cohen’s Kappa
  4. ICC: Intraclass correlation
  5. CCC: Concordance correlation coefficient
  6. MD: Mean difference between the two measurements (Proxy score minus HC Int score)
  7. 95% Limits of Agreement: MD ± 1.96 SD of the MD
  8. Score Range for EQ5D: 1-5 for each domain, EQ- VAS: 0-100, Oxford Score: 0-48, Satisfaction: 1-5, Success: 1-5