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Table 7 Results of specificity Sp, sensitivity Sn, negative predictive value NPV, positive predictive value PPV Results by cut-off ≥2/5

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

Rater/ Test Sp Sn NPV PPV
Rater 1/ Test sitting 73.68 86.96 82.35 80.00
Rater 2/ Test sitting 73.68 82.61 77.78 79.17
Rater 1/ Test standing 84.21 82.61 80.00 86.36
Rater 2/ Test standing 78.95 86.96 83.33 83.33
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