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Table 5 Results inter-observer reliability: weighted kappa (wK) 95% confidence interval (95%CI), percentage agreement (% Agreement)

From: Head-Eye movement control tests in patients with chronic neck pain; Inter-observer reliability and discriminative validity

Tests: Sitting position wK 95% CI % Agreement
Eye movements 0.72 0.55-0.88 73
Gaze stability 0.86 0.75-0.97 85
Sequential head and eye movement 0.86 0.76-0.97 83
Eye movements in 45° relative neck rotation to the right 0.54 0.29-0.79 69
Eye movements in 45° relative neck rotation to the left 0.79 0.62-0.97 85
Tests: Standing position wK 95% CI % Agreement
Eye movements 0.78 0.61-0.95 85
Gaze stability 0.59 0.36-0.82 66
Sequential head and eye movement 0.69 0.53-0.85 61
Eye movements in 45° relative neck rotation to the right 0.82 0.67-0.96 85
Eye movements in 45° relative neck rotation to the left 0.70 0.50-0.90 80
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