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Table 3 Number of patients and proxies reporting meaningful improvement or worsening from baseline to follow-up, percent exact agreement, and kappa statistic

From: Patient-proxy agreement on change in acute stroke patient-reported outcome measures: a prospective study

Domain

Improvement

Worsening

Dyads indicating meaningful improvement, n (%)

% Exact Agreement

Kappa (95% CI)

Dyads indicating meaningful worsening, n (%)

% Exact Agreement

Kappa (95% CI)

Cognitive Function

3 (7.5%)

70.0%

0.17 (− 0.14, 0.48)

3 (7.5%)

72.5%

0.20 (− 0.13, 0.52)

Physical Function

6 (14.6%)

73.2%

0.34 (0.03, 0.65)

0 (0.0%)

75.6%

−0.05 (− 0.13, 0.04)

Global Mental Health

2 (4.9%)

75.6%

0.17 (−0.15, 0.49)

4 (9.8%)

65.9%

0.17 (−0.11, 0.46)

Global Physical Health

5 (12.2%)

68.3%

0.22 (−0.11, 0.54)

2 (4.9%)

78.0%

0.20 (−0.14, 0.54)

Social Role Satisfaction

4 (9.8%)

58.5%

0.04 (−0.26, 0.34)

0 (0.0%)

80.5%

−0.05 (− 0.12, 0.03)

Anxiety

11 (26.8%)

63.4%

0.27 (−0.03, 0.56)

4 (9.8%)

80.5%

0.38 (0.03, 0.73)

Depression

4 (10.0%)

60.0%

0.05 (−0.26, 0.36)

1 (2.5%)

65.0%

−0.09 (− 0.36, 0.18)

Fatigue

8 (19.5%)

61.0%

0.19 (−0.11, 0.49)

0 (0.0%)

70.7%

−0.09 (− 0.20, 0.02)

Pain Interference

6 (14.6%)

73.2%

0.34 (0.03, 0.65)

3 (7.3%)

70.7%

0.15 (−0.19, 0.48)

Sleep Disturbance

10 (25.0%)

75.0%

0.47 (0.19, 0.75)

2 (5.0%)

62.5%

0.01 (−0.27, 0.28)

  1. Meaningful improvement or worsening = both patient and proxy indicated change from baseline to follow-up of at least 5 T-score points. Kappa interpretation: ≤0 = poor, .01–.20 = slight, .21–.40 = fair, .41–.60 = moderate, .61–.80 = substantial, and .81–1 = almost perfect